pep8

src/calibre/gui2/preferences/__init__.py

@@ -20,7 +20,6 @@ from qt.core import (
     QListView,
     QListWidget,
     Qt,
-    QTabWidget,
     QTableWidget,
     QVBoxLayout,
     QWidget,

src/calibre/gui2/preferences/look_feel_tabs/__init__.py

@@ -10,6 +10,7 @@ from qt.core import QAbstractListModel, QIcon, QItemSelectionModel, Qt
 
 from calibre.gui2.book_details import get_field_list
 
+
 class DisplayedFields(QAbstractListModel):  # {{{
 
     def __init__(self, db, parent=None, pref_name=None, category_icons=None):

src/calibre/gui2/preferences/look_feel_tabs/cover_view.py

@@ -9,7 +9,6 @@ __docformat__ = 'restructuredtext en'
 from qt.core import QKeySequence
 
 from calibre.gui2 import config, gprefs
-
 from calibre.gui2.dialogs.template_dialog import TemplateDialog
 from calibre.gui2.preferences import ConfigTabWidget, ConfigWidgetBase, set_help_tips
 from calibre.gui2.preferences.look_feel_tabs.cover_view_ui import Ui_Form
@@ -63,4 +62,3 @@ class CoverView(ConfigTabWidget, Ui_Form):
         gui.cover_flow.setActivateOnDoubleClick(gprefs['cb_double_click_to_activate'])
         gui.update_cover_flow_subtitle_font()
         gui.cover_flow.template_inited = False
-

src/calibre/gui2/preferences/look_feel_tabs/tb_hierarchy.py

@@ -5,8 +5,8 @@ __license__   = 'GPL v3'
 __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-from functools import partial
 import json
+from functools import partial
 
 from qt.core import QListWidgetItem, Qt
 
@@ -15,6 +15,7 @@ from calibre.gui2.preferences import ConfigTabWidget
 from calibre.gui2.preferences.look_feel_tabs import DisplayedFields
 from calibre.gui2.preferences.look_feel_tabs.tb_hierarchy_ui import Ui_Form
 
+
 class TBHierarchicalFields(DisplayedFields):  # {{{
     # The code in this class depends on the fact that the tag browser is
     # initialized before this class is instantiated.

src/calibre/gui2/preferences/look_feel_tabs/tb_icon_rules.py

@@ -6,8 +6,8 @@ __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
 import copy
-from functools import partial
 import os
+from functools import partial
 
 from qt.core import QAbstractItemView, QApplication, QIcon, QMenu, Qt, QTableWidgetItem
 
@@ -168,3 +168,4 @@ class TbIconRulesTab(ConfigTabWidget, Ui_Form):
             if len(v[category]) == 0:
                 v.pop(category, None)
         gprefs['tags_browser_value_icons'] = v
+        return rr