[pitivi] medialibrary: Pythonic iteration over supported file formats

[Mathieu Duponchelle <mathieudu src gnome org>]

commit 0c889215b717d75b5a5af63128298a787b574095
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sat Dec 7 21:02:26 2013 +0100

    medialibrary: Pythonic iteration over supported file formats

 pitivi/medialibrary.py |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/medialibrary.py b/pitivi/medialibrary.py
index 61c41ba..4f12329 100644
--- a/pitivi/medialibrary.py
+++ b/pitivi/medialibrary.py
@@ -468,9 +468,8 @@ class MediaLibraryWidget(Gtk.VBox, Loggable):
         filt_supported = Gtk.FileFilter()
         filt_known = Gtk.FileFilter()
         filt_supported.set_name(_("Supported file formats"))
-        for category in SUPPORTED_FILE_FORMATS:
-            # Category can be "video", "audio", "image", "application"
-            for mime in SUPPORTED_FILE_FORMATS[category]:
+        for category, mime_types in SUPPORTED_FILE_FORMATS.iteritems():
+            for mime in mime_types:
                 filt_supported.add_mime_type(category + "/" + mime)
                 filt_known.add_mime_type(category + "/" + mime)
         # Also allow showing known but not reliable demuxers