Fix flake8

django_migration_linter/cache.py

@@ -23,7 +23,8 @@ class Cache(dict):
     def __init__(self, django_folder, cache_path):
         self.django_folder = django_folder
         project_name = split_path(django_folder)[-2]
-        self.filename = os.path.join(cache_path, '{0}.pickle'.format(project_name))
+        self.filename = \
+            os.path.join(cache_path, '{0}.pickle'.format(project_name))
 
         if not os.path.exists(os.path.dirname(self.filename)):
             os.makedirs(os.path.dirname(self.filename))

django_migration_linter/migration_linter.py

@@ -20,7 +20,8 @@ from subprocess import Popen, PIPE
 import sys
 
 from django_migration_linter.cache import Cache
-from django_migration_linter.constants import DEFAULT_CACHE_PATH, MIGRATION_FOLDER_NAME
+from django_migration_linter.constants import DEFAULT_CACHE_PATH, \
+    MIGRATION_FOLDER_NAME
 from django_migration_linter.utils import split_migration_path
 from . import utils
 from .sql_analyser import analyse_sql_statements
@@ -289,7 +290,8 @@ def _main():
     cache_group.add_argument(
         '--cache-path',
         type=str,
-        help='specify a directory that should be used to store cache-files in.')
+        help='specify a directory that should be used to'
+             'store cache-files in.')
     cache_group.add_argument(
         '--no-cache',
         action='store_true',

django_migration_linter/utils.py

@@ -74,6 +74,3 @@ def compose_migration_path(django_folder, app_name, migration):
 
 def clean_bytes_to_str(byte_input):
     return byte_input.decode('utf-8').strip()
-
-
-