[qa] Do not ignore migrations/__init__.py in flake8

openwisp_users/migrations/__init__.py

@@ -1,6 +1,7 @@
 from django.conf import settings
 from django.contrib.auth.models import Permission
 from django.contrib.auth.management import create_permissions
+from django.core.exceptions import ObjectDoesNotExist
 import swapper
 
 

setup.cfg

@@ -17,7 +17,7 @@ force_grid_wrap=0
 # W605: invalid escape sequence
 # E203: E203 whitespace before ':' ; Black doesn't follow it & it's not pep8
 ignore = W605, W503, W504, E203
-exclude=*migrations*,
-	  ./tests/*settings*.py,
-	  ./*setup*.py
+exclude=*migrations/0*,
+	./tests/*settings*.py,
+	./*setup*.py
 max-line-length = 88