[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

flemi/models.py

@@ -2,6 +2,7 @@
 MIT License
 Copyright (c) 2020 Andy Zhou
 """
+
 import hashlib
 import os
 from datetime import datetime

flemi/settings.py

@@ -2,6 +2,7 @@
 MIT License
 Copyright (c) 2020 Andy Zhou
 """
+
 import os
 from os.path import abspath
 from os.path import dirname