fixes

Author: hauntsaninja

mypy/plugins/attrs.py

@@ -764,7 +764,6 @@ def _parse_converter(
         converter_info.init_type = AnyType(TypeOfAny.from_error)
         return converter_info
 
-    converter_type = get_proper_type(converter_type)
     if isinstance(converter_type, CallableType) and converter_type.arg_types:
         converter_info.init_type = converter_type.arg_types[0]
         if not is_attr_converters_optional:

mypy/semanal.py

@@ -6765,7 +6765,7 @@ def _get_node_for_class_scoped_import(
         # mypyc is absolutely convinced that `symbol_node` narrows to a Var in the following,
         # when it can also be a FuncBase. Once fixed, `f` in the following can be removed.
         # See also https://github.com/mypyc/mypyc/issues/892
-        f: Callable[[object], Any] = lambda x: x
+        f = cast(Callable[[object], Any], lambda x: x)
         if isinstance(f(symbol_node), (Decorator, FuncBase, Var)):
             # For imports in class scope, we construct a new node to represent the symbol and
             # set its `info` attribute to `self.type`.

mypy/types.py

@@ -2179,7 +2179,8 @@ def with_normalized_var_args(self) -> Self:
         types_suffix = self.arg_types[var_arg_index + 1 :]
         kinds_suffix = self.arg_kinds[var_arg_index + 1 :]
         names_suffix = self.arg_names[var_arg_index + 1 :]
-        no_name: str | None = None  # to silence mypy
+        names_middle: list[str | None]
+        no_name = cast("str | None", None)
 
         # Now we have something non-trivial to do.
         if unpack_index is None:
@@ -3725,12 +3726,6 @@ def find_unpack_in_list(items: Sequence[Type]) -> int | None:
     unpack_index: int | None = None
     for i, item in enumerate(items):
         if isinstance(item, UnpackType):
-            # We cannot fail here, so we must check this in an earlier
-            # semanal phase.
-            # Funky code here avoids mypyc narrowing the type of unpack_index.
-            old_index = unpack_index
-            assert old_index is None
-            # Don't return so that we can also sanity check there is only one.
             unpack_index = i
     return unpack_index