From a8bec3448e87c11f8d386400fe178c399a1ed7f6 Mon Sep 17 00:00:00 2001
From: overkill <22098433+0verk1ll@users.noreply.github.com>
Date: Sun, 21 Mar 2021 13:52:10 -0400
Subject: [PATCH 1/3] I removed the duplicate `import` of `collections`.

I made this change to address a suggestion from LGTM (https://lgtm.com/projects/g/kovidgoyal/calibre?mode=tree&severity=recommendation&ruleFocus=1818040193).
---
 src/calibre/gui2/ui.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 766035e49a..1efdfcd5da 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -10,7 +10,6 @@ __docformat__ = 'restructuredtext en'
 '''The main GUI'''
 
 import apsw
-import collections
 import errno
 import gc
 import os
@@ -18,7 +17,9 @@ import re
 import sys
 import textwrap
 import time
-from collections import OrderedDict
+from collections import (
+  OrderedDict, deque
+)
 from io import BytesIO
 from qt.core import (
     QAction, QApplication, QDialog, QFont, QIcon, QMenu, QSystemTrayIcon, Qt, QTimer,
@@ -241,7 +242,7 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
         self.metadata_dialogs = []
         self.default_thumbnail = None
         self.tb_wrapper = textwrap.TextWrapper(width=40)
-        self.viewers = collections.deque()
+        self.viewers = deque()
         self.system_tray_icon = None
         do_systray = config['systray_icon'] or opts.start_in_tray
         if do_systray:

From c381a5c31bf3eae16572d57ce77c51723db12d13 Mon Sep 17 00:00:00 2001
From: overkill <22098433+0verk1ll@users.noreply.github.com>
Date: Sun, 21 Mar 2021 14:28:46 -0400
Subject: [PATCH 2/3] Make Indentation Consistent

I added two more spaces to make my indentation consistent.
---
 src/calibre/gui2/ui.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 1efdfcd5da..d992f9e1cc 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -18,7 +18,7 @@ import sys
 import textwrap
 import time
 from collections import (
-  OrderedDict, deque
+    OrderedDict, deque
 )
 from io import BytesIO
 from qt.core import (

From 61cacccbc5dd79244ea1731cfe8b582a1547cf64 Mon Sep 17 00:00:00 2001
From: overkill <22098433+0verk1ll@users.noreply.github.com>
Date: Sun, 21 Mar 2021 17:21:29 -0400
Subject: [PATCH 3/3] Make `collections import` one line.

---
 src/calibre/gui2/ui.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index d992f9e1cc..4ad7f456d4 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -17,9 +17,7 @@ import re
 import sys
 import textwrap
 import time
-from collections import (
-    OrderedDict, deque
-)
+from collections import OrderedDict, deque
 from io import BytesIO
 from qt.core import (
     QAction, QApplication, QDialog, QFont, QIcon, QMenu, QSystemTrayIcon, Qt, QTimer,