Bump Python support to min Python 3.6.0 (#25582)

* Bump Python support to min Python 3.6.0

* Fix type

homeassistant/monkey_patch.py

@@ -61,9 +61,7 @@ def disable_c_asyncio() -> None:
         def find_module(self, fullname: str, path: Any = None) -> None:
             """Find a module."""
             if fullname == self.PATH_TRIGGER:
-                # We lint in Py35, exception is introduced in Py36
-                # pylint: disable=undefined-variable
-                raise ModuleNotFoundError()  # type: ignore # noqa
+                raise ModuleNotFoundError()
 
     sys.path_hooks.append(AsyncioImportFinder)
     sys.path.insert(0, AsyncioImportFinder.PATH_TRIGGER)