Ignore any import error for upload.py

BUG=none
TBR=jrobbins@chromium.org

Review URL: https://codereview.chromium.org/733923003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293010 0039d316-1c4b-4281-b951-d872f2087c98

third_party/upload.py

@@ -69,7 +69,7 @@ except ImportError:
 
 try:
   import keyring
-except ImportError:
+except:
   keyring = None
 
 # The logging verbosity: