prepare for mypy 1.12

Author: mr-c

mypy-stubs/cachecontrol/__init__.pyi

@@ -700,7 +700,7 @@ def make_avsc_object(json_data: JsonDataType, names: Optional[Names] = None) ->
         atype = json_data.get("type")
         other_props = get_other_props(json_data, SCHEMA_RESERVED_PROPS)
         if atype in PRIMITIVE_TYPES:
-            primative_type = cast(str, atype)
+            primative_type = atype
             return PrimitiveSchema(primative_type, other_props)
         if atype in NAMED_TYPES:
             name = json_data.get("name")

mypy-stubs/cachecontrol/cache.pyi

@@ -434,7 +434,7 @@ def is_constant_field(field: Dict[str, Any]) -> bool:
 def constant_fields_of(type_: Any) -> Set[str]:
     """Return a list of constant fields name from a given record schema."""
     if isinstance(type_, dict):
-        return set(shortname(f["name"]) for f in type_.get("fields", []) if is_constant_field(f))
+        return {shortname(f["name"]) for f in type_.get("fields", []) if is_constant_field(f)}
     return set()