diff --git a/pre_commit/git.py b/pre_commit/git.py
index 113b8f67..f2395e3e 100644
--- a/pre_commit/git.py
+++ b/pre_commit/git.py
@@ -40,10 +40,12 @@ def get_root():
 
 
 def get_superproject_root():
-    stdout = cmd_output('git',
-                        'rev-parse',
-                        '--show-superproject-working-tree',
-                        '--show-toplevel')
+    stdout = cmd_output(
+        'git',
+        'rev-parse',
+        '--show-superproject-working-tree',
+        '--show-toplevel',
+    )
     return stdout[1].splitlines()[0].strip()
 
 
diff --git a/pre_commit/languages/docker.py b/pre_commit/languages/docker.py
index fb3f3e28..e58e38b3 100644
--- a/pre_commit/languages/docker.py
+++ b/pre_commit/languages/docker.py
@@ -5,7 +5,8 @@ import hashlib
 import os
 
 import pre_commit.constants as C
-from pre_commit import five, git
+from pre_commit import five
+from pre_commit import git
 from pre_commit.languages import helpers
 from pre_commit.util import CalledProcessError
 from pre_commit.util import clean_path_on_failure