add more typing

mypy.ini

@@ -0,0 +1,13 @@
+[mypy]
+warn_return_any = True
+warn_unused_configs = True
+
+#disallow_any_unimported = True
+#disallow_any_expr = True
+#disallow_any_decorated = True
+#disallow_any_explicit = True
+#disallow_any_generics = True
+#disallow_subclassing_any = True
+#disallow_untyped_calls = True
+disallow_untyped_defs = True
+disallow_incomplete_defs = True