renamed unused variables

Author: pratik-anurag

git/remote.py

@@ -183,7 +183,7 @@ def _from_line(cls, remote, line):
             split_token = "..."
             if control_character == " ":
                 split_token = ".."
-            old_sha, new_sha = summary.split(' ')[0].split(split_token)  # @UnusedVariable
+            old_sha, _new_sha = summary.split(' ')[0].split(split_token)  
             # have to use constructor here as the sha usually is abbreviated
             old_commit = old_sha
         # END message handling