diff --git a/flake8/main/git.py b/flake8/main/git.py
index 3160a26..c9b7dad 100644
--- a/flake8/main/git.py
+++ b/flake8/main/git.py
@@ -169,7 +169,7 @@ def piped_process(command):
 
 def git_config_for(parameter):
     config = piped_process(['git', 'config', '--get', '--bool', parameter])
-    (stdout, ) = config.communicate()
+    (stdout, _) = config.communicate()
     return to_text(stdout)