[gnome-tweak-tool] Cosmetic cleanups

[John Stowers <jstowers src gnome org>]

commit 01c04e4c5c85f6332deb55a0db7dde61022ac52c
Author: John Stowers <john stowers gmail com>
Date:   Fri Jun 24 00:11:33 2011 +1200

    Cosmetic cleanups

 gtweak/tweaks/tweak_shell_extensions.py |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/gtweak/tweaks/tweak_shell_extensions.py b/gtweak/tweaks/tweak_shell_extensions.py
index 02ffb87..a212994 100644
--- a/gtweak/tweaks/tweak_shell_extensions.py
+++ b/gtweak/tweaks/tweak_shell_extensions.py
@@ -1,5 +1,4 @@
 import os.path
-import shutil
 import zipfile
 import tempfile
 import logging
@@ -91,7 +90,6 @@ class _ShellExtensionInstallerTweak(Tweak):
                         fragment = n.split("/")[0:-1]
                         file_metadata = n
                     if n.endswith("extension.js"):
-                        extension = True
                         if file_extension:
                             raise Exception("Only one extension per zip file")
                         file_extension = n
@@ -105,7 +103,7 @@ class _ShellExtensionInstallerTweak(Tweak):
                 extension_uuid = None
                 tmp = tempfile.mkdtemp()
                 z.extract(file_metadata, tmp)
-                with open(os.path.join(tmp,file_metadata)) as f:
+                with open(os.path.join(tmp, file_metadata)) as f:
                     try:
                         extension_uuid = json.load(f)["uuid"]
                     except: