diff --git a/project/utils/repos.py b/project/utils/repos.py
index 2b8435a..a8cdc09 100644
--- a/project/utils/repos.py
+++ b/project/utils/repos.py
@@ -15,14 +15,14 @@ def clone_public_data():
 
     out, error = shell.call(
         "git clone -b master --single-branch {} {}".format(
-        config.get('public_repo'),
-        constants.PUBLIC_DATA_DIR)
+            config.get('public_repo'),
+            constants.PUBLIC_DATA_DIR
+        )
     )
     return error
 
 
 def clone_private_data():
-    exit_code = 0
     if os.path.isdir(constants.PRIVATE_DATA_DIR):
         initial = os.getcwd()
         os.chdir(constants.PRIVATE_DATA_DIR)
@@ -33,9 +33,10 @@ def clone_private_data():
         return error
     else:
         out, error = shell.call(
-        "git clone -b master --single-branch {} {}".format(
-            config.get('private_repo'),
-            constants.PRIVATE_DATA_DIR)
+            "git clone -b master --single-branch {} {}".format(
+                config.get('private_repo'),
+                constants.PRIVATE_DATA_DIR
+            )
         )
     if error:
         return error
@@ -58,6 +59,7 @@ def go_to_data(subdir=''):
     os.chdir(path)
     return path
 
+
 def clean():
     shutil.rmtree(constants.PUBLIC_DATA_DIR)
     shutil.rmtree(constants.PRIVATE_DATA_DIR)
diff --git a/project/utils/shell.py b/project/utils/shell.py
index d6d68d6..bd1503d 100644
--- a/project/utils/shell.py
+++ b/project/utils/shell.py
@@ -1,5 +1,6 @@
 import subprocess
 
+
 def call(command):
     shell = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
     output, error = shell.communicate()