Remove useless __future__ imports

Not needed on python3

bypy/init_env.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import print_function
+
 
 import json
 import os

bypy/linux/__main__.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import print_function
+
 
 import errno
 import glob

bypy/macos/__main__.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import errno
 import glob

bypy/windows/__main__.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import errno
 import glob

icons/icns/make_iconsets.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

icons/make_ico_files.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

imgsrc/generate.py

@@ -2,7 +2,6 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
 import os, glob, subprocess, argparse, json, hashlib
 
 duplicates = {

imgsrc/render-logo.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 import os, subprocess, sys, shutil
 
 j = os.path.join

imgsrc/srv/generate.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 import os, re, sys
 
 from lxml import etree

manual/build.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

manual/custom.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 
-from __future__ import print_function
+
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 import os, re, textwrap

manual/epub.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

manual/latex.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/editor_demo/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

manual/plugin_examples/editor_demo/main.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

manual/plugin_examples/helloworld/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/interface_demo/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/interface_demo/config.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/interface_demo/main.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/interface_demo/ui.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

manual/plugin_examples/webengine_demo/__init__.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 # License: GPLv3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 
 # The class that all Interface Action plugin wrappers must inherit from

manual/plugin_examples/webengine_demo/main.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from PyQt5.Qt import QUrl
 from PyQt5.QtWebEngineWidgets import QWebEngineView

manual/plugin_examples/webengine_demo/ui.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 # License: GPLv3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
 if False:

manual/template_ref_generate.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'

resources/default_tweaks.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 # License: GPLv3 Copyright: 2010, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import unicode_literals
+
 
 # Contains various tweaks that affect calibre behavior. Only edit this file if
 # you know what you are doing. If you delete this file, it will be recreated from

setup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import print_function
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement, print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/browser_data.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 import json

setup/build.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
-from __future__ import print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/build_environment.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement, print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/check.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/commands.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/file-hosting-bw.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

setup/git_pre_commit_hook.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2008, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import print_function
+
 
 import importlib
 import json

setup/git_version.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2019, Eli Schwartz <eschwartz@archlinux.org>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import re
 import subprocess

setup/gui.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/install.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 # License: GPLv3 Copyright: 2009, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import atexit
 import glob

setup/installers.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os, sys, subprocess, binascii, json
 

setup/lc_data.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

setup/linux-installer.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2009, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import errno
 import hashlib

setup/mathjax.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'

setup/parallel_build.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'

setup/plugins_mirror.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2013, Kovid Goyal <kovid at kovidgoyal.net>
 # Imports {{{
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import ast
 import atexit

setup/port.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import errno
 import hashlib

setup/publish.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+
-from __future__ import print_function
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/resources.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement, print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/run-calibre-worker.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 import sys, os
 sys.setup_dir = os.path.dirname(os.path.abspath(__file__))
 SRC = os.path.abspath(os.path.join(os.path.dirname(sys.setup_dir), 'src'))

setup/test.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 import unittest

setup/translations.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement, print_function
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

setup/unix-ci.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 import shlex

setup/upload.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 
-from __future__ import print_function
+
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'

setup/vcvars.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'

setup/win-ci.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import io
 import os

src/backports/functools_lru_cache.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import functools
 from collections import namedtuple

src/calibre/__init__.py

@@ -1,4 +1,4 @@
-from __future__ import unicode_literals, print_function
+
 ''' E-book management software'''
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/constants.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2015, Kovid Goyal <kovid at kovidgoyal.net>
-from __future__ import print_function, unicode_literals
 from polyglot.builtins import map, unicode_type, environ_item, hasenv, getenv, as_unicode, native_string_type
 import sys, locale, codecs, os, importlib, collections
 

src/calibre/customize/__init__.py

@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 

src/calibre/customize/builtins.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/customize/conversion.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 '''
 Defines the plugin system for conversions.
 '''

src/calibre/customize/profiles.py

@@ -1,5 +1,5 @@
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__ = 'GPL 3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'

src/calibre/customize/ui.py

@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 

src/calibre/customize/zipplugin.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/adding.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/db/backend.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/backup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/db/cache.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/categories.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/db/cli/__init__.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import importlib
 

src/calibre/db/cli/cmd_add.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 import sys

src/calibre/db/cli/cmd_add_custom_column.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import json
 

src/calibre/db/cli/cmd_add_format.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 from io import BytesIO

src/calibre/db/cli/cmd_backup_metadata.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre import prints
 

src/calibre/db/cli/cmd_catalog.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 

src/calibre/db/cli/cmd_check_library.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import csv
 import sys

src/calibre/db/cli/cmd_clone.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 

src/calibre/db/cli/cmd_custom_columns.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from pprint import pformat
 

src/calibre/db/cli/cmd_embed_metadata.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre import prints
 from calibre.db.cli import integers_from_string

src/calibre/db/cli/cmd_export.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 

src/calibre/db/cli/cmd_list.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import json
 import os

src/calibre/db/cli/cmd_list_categories.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import csv
 import sys

src/calibre/db/cli/cmd_remove.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre.db.cli import integers_from_string
 from calibre.db.delete_service import delete_service

src/calibre/db/cli/cmd_remove_custom_column.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import sys
 from calibre import prints

src/calibre/db/cli/cmd_remove_format.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre.db.delete_service import delete_service
 from calibre.srv.changes import formats_removed

src/calibre/db/cli/cmd_restore_database.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre import prints
 from calibre.db.restore import Restore

src/calibre/db/cli/cmd_saved_searches.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 readonly = False
 version = 0  # change this if you change signature of implementation()

src/calibre/db/cli/cmd_search.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre import prints
 

src/calibre/db/cli/cmd_set_custom.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre import prints
 from calibre.db import _get_series_values

src/calibre/db/cli/cmd_set_metadata.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import os
 

src/calibre/db/cli/cmd_show_metadata.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import sys
 

src/calibre/db/cli/main.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 import json
 import os

src/calibre/db/cli/tests.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __docformat__ = 'restructuredtext en'

src/calibre/db/cli/utils.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from polyglot.builtins import map
 

src/calibre/db/copy_to_library.py

@@ -2,7 +2,7 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 from calibre.db.utils import find_identical_books
 from calibre.utils.config import tweaks

src/calibre/db/delete_service.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/db/errors.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/fields.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/lazy.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2012, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/db/legacy.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'

src/calibre/db/locking.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
+
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'