close file properly and remove unneeded variable

diff --git a/mediagoblin/tools/exif.py b/mediagoblin/tools/exif.py
index b8b4d9e61c5f94ac895b94d7745e66eeea6f80fc..b1da183373956d72c8679e0ea2091bb8c3cf0986 100644 (file)
--- a/mediagoblin/tools/exif.py
+++ b/mediagoblin/tools/exif.py
@@ -73,16 +73,12 @@ def extract_exif(filename):
     """
     Returns EXIF tags found in file at ``filename``
     """
-    exif_tags = {}
-
     try:
-        image = open(filename)
-        exif_tags = process_file(image, details=False)
+        with file(filename) as image:
+            return process_file(image, details=False)
     except IOError:
         raise BadMediaFail(_('Could not read the image file.'))
 
-    return exif_tags
-
 
 def clean_exif(exif):
     '''