diff --git a/testing/fixtures.py b/testing/fixtures.py
index 561640a1a..5182a083e 100644
--- a/testing/fixtures.py
+++ b/testing/fixtures.py
@@ -11,7 +11,6 @@
 from pre_commit import git
 from pre_commit.clientlib import CONFIG_SCHEMA
 from pre_commit.clientlib import load_manifest
-from pre_commit.util import CalledProcessError
 from pre_commit.util import cmd_output
 from pre_commit.util import yaml_dump
 from pre_commit.util import yaml_load
@@ -39,7 +38,7 @@ def copy_tree_to_path(src_dir, dest_dir):
 
 def git_dir(tempdir_factory):
     path = tempdir_factory.get()
-	cmd_output('git', 'init', '-c', 'init.defaultBranch=master', path)
+    cmd_output('git', '-c', 'init.defaultBranch=master', 'init', path)
     return path