try adding # mypy: no-warn-unused-ignores comment

Author: NiklasRosenstein

databind.core/src/databind/core/tests/schema_test.py

@@ -1,3 +1,10 @@
+
+# In Python 3.6, we get a warning about an unused ignore later in the file, but not in other versions of Python.
+# Let's ignore that warning for the whole file, there doesn't seem to be a better way to have Mypy ignore the unused
+# ignore comment.
+
+# mypy: no-warn-unused-ignores
+
 import dataclasses
 import typing as t
 
@@ -312,7 +319,7 @@ class B2(t.Generic[U]):
     )
     assert convert_dataclass_to_schema(B2) == Schema(
         {
-            "a": Field(TypeHint(A[U])),  # type: ignore[valid-type,unused-ignore]  # Type variable U is unbound  # noqa: E501
+            "a": Field(TypeHint(A[U])),  # type: ignore[valid-type]  # Type variable U is unbound  # noqa: E501
             "b": Field(TypeHint(str)),
         },
         B2,