xbuddy: fix verify warning

W:721,30: Redefining name 'e' from outer scope (line 33) (redefined-outer-name)

BUG=None
TEST=Verify goes through.

Change-Id: Iac8703810f8df238c14692c7e9db98bde0462628
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/465446
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
diff --git a/xbuddy.py b/xbuddy.py
index af5581e..dbfcdd3 100644
--- a/xbuddy.py
+++ b/xbuddy.py
@@ -30,7 +30,7 @@
 
 try:
   from chromite.lib import gs
-except ImportError as e:
+except ImportError:
   gs = None
 
 # Module-local log function.