diff --git a/mypy/checkexpr.py b/mypy/checkexpr.py
index c9296bd5e875..7b4214b090c0 100644
--- a/mypy/checkexpr.py
+++ b/mypy/checkexpr.py
@@ -1934,6 +1934,11 @@ def analyze_type_type_callee(self, item: ProperType, context: Context) -> Type:
         # We support Type of namedtuples but not of tuples in general
         if isinstance(item, TupleType) and tuple_fallback(item).type.fullname != "builtins.tuple":
             return self.analyze_type_type_callee(tuple_fallback(item), context)
+        if isinstance(item, NoneType):
+            # type(None)() and NoneType() are valid in Python 3
+            return CallableType(
+                arg_types=[], arg_kinds=[], arg_names=[], ret_type=item, fallback=None
+            )
         if isinstance(item, TypedDictType):
             return self.typeddict_callable_from_context(item)
 
diff --git a/mypy/config_parser.py b/mypy/config_parser.py
index 97fa01b8dd21..5fe976fc7716 100644
--- a/mypy/config_parser.py
+++ b/mypy/config_parser.py
@@ -207,6 +207,7 @@ def split_commas(value: str) -> list[str]:
     "exclude": lambda s: [s.strip()],
     "packages": try_split,
     "modules": try_split,
+    "output": str,
 }
 
 # Reuse the ini_config_types and overwrite the diff
@@ -229,6 +230,7 @@ def split_commas(value: str) -> list[str]:
         "exclude": str_or_array_as_list,
         "packages": try_split,
         "modules": try_split,
+        "output": str,
     }
 )