fix(flake8): remove unused import

Byron · Byron · commit f360ecd7b2de · 2015-07-20T09:57:53.000+02:00
I knew that flake would eventually get me, especially when least
suspected.
This time it's even useful, as it is a non-whitespace related issue.
diff --git a/git/repo/base.py b/git/repo/base.py
@@ -54,7 +54,6 @@
 )
 from git.compat import (
     text_type,
-    force_text,
     defenc,
     PY3
 )
