From 3d37b22fb0b67c2d6ef3c4d5ffcf2feb6c2e4b6e Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Tue, 18 Feb 2014 14:21:39 +0100
Subject: [PATCH] Cleanup

---
 qutebrowser/utils/config.py       | 1 +
 qutebrowser/utils/misc.py         | 4 +++-
 qutebrowser/widgets/mainwindow.py | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/qutebrowser/utils/config.py b/qutebrowser/utils/config.py
index 7f46eca71..91f0a3020 100644
--- a/qutebrowser/utils/config.py
+++ b/qutebrowser/utils/config.py
@@ -130,6 +130,7 @@ class FontDict(dict):
         except KeyError:
             return None
 
+
 class Config(ConfigParser):
 
     """Our own ConfigParser subclass."""
diff --git a/qutebrowser/utils/misc.py b/qutebrowser/utils/misc.py
index 3fdeec3b2..829cd4c11 100644
--- a/qutebrowser/utils/misc.py
+++ b/qutebrowser/utils/misc.py
@@ -54,7 +54,9 @@ def read_file(filename):
 
 
 def trace_lines(do_trace):
-    def trace(frame, event, arg):
+    """Turn on/off printing each executed line."""
+    def trace(frame, event, _):
+        """Trace function passed to sys.settrace."""
         print("{}, {}:{}".format(event, frame.f_code.co_filename,
                                  frame.f_lineno))
         return trace
diff --git a/qutebrowser/widgets/mainwindow.py b/qutebrowser/widgets/mainwindow.py
index 56f1a91d7..a465209ce 100644
--- a/qutebrowser/widgets/mainwindow.py
+++ b/qutebrowser/widgets/mainwindow.py
@@ -28,6 +28,7 @@ from qutebrowser.widgets.browser import TabbedBrowser
 from qutebrowser.widgets.completion import CompletionView
 import qutebrowser.utils.config as config
 
+
 class MainWindow(QWidget):
 
     """The main window of QuteBrowser.