add django.db.migrations

setup.py

@@ -1,16 +1,5 @@
-import os
 from distutils.core import setup
 
-
-def find_stubs(package):
-    stubs = []
-    for root, dirs, files in os.walk(package):
-        for file in files:
-            path = os.path.join(root, file).replace(package + os.sep, '', 1)
-            stubs.append(path)
-    return {package: stubs}
-
-
 setup(
     name="django-stubs",
     url="https://github.com/mkurnikov/django-stubs.git",
@@ -19,7 +8,7 @@ setup(
     version="0.1.0",
     license='BSD',
     install_requires=[
-        'Django>=2.1.1',
+        'Django',
         'mypy @ git+https://github.com/python/mypy.git#egg=mypy-0.660+dev.01c268644d1d22506442df4e21b39c04710b7e8b'
     ],
     packages=['mypy_django_plugin']