Add error code to missed invalid Literal case (#13763)

mypy/typeanal.py

@@ -1250,7 +1250,11 @@ def analyze_literal_param(self, idx: int, arg: Type, ctx: Context) -> list[Type]
  # TODO: Once we start adding support for enums, make sure we report a custom
  # error for case 2 as well.
  if arg.type_of_any not in (TypeOfAny.from_error, TypeOfAny.special_form):
- self.fail(f'Parameter {idx} of Literal[...] cannot be of type "Any"', ctx)
+ self.fail(
+ f'Parameter {idx} of Literal[...] cannot be of type "Any"',
+ ctx,
+ code=codes.VALID_TYPE,
+ )
  return None
  elif isinstance(arg, RawExpressionType):
  # A raw literal. Convert it directly into a literal if we can.
@@ -1284,7 +1288,7 @@ def analyze_literal_param(self, idx: int, arg: Type, ctx: Context) -> list[Type]
  out.extend(union_result)
  return out
  else:
- self.fail(f"Parameter {idx} of Literal[...] is invalid", ctx)
+ self.fail(f"Parameter {idx} of Literal[...] is invalid", ctx, code=codes.VALID_TYPE)
  return None
 
  def analyze_type(self, t: Type) -> Type: