Update setup.py

Author: huangsam

Diff for: setup.py

@@ -13,7 +13,7 @@
 VERSION = None
 
 # What packages are required for this module to be executed?
-REQUIRED = ["flake8", "gitpython"]
+REQUIRED = ["gitpython"]
 SETUP_REQUIRED = ["pytest-runner"]
 TEST_REQUIRED = ["pytest"]