Drop hard dependency on mypy (#1782)

Author: intgr

setup.py

@@ -21,7 +21,6 @@ def find_stub_files(name: str) -> List[str]:
     readme = f.read()
 
 dependencies = [
-    "mypy>=1.0.0",
     "django",
     "django-stubs-ext>=4.2.5",
     "tomli; python_version < '3.11'",