chore(node): cast module to proper type

pycs/node.py

@@ -9,7 +9,8 @@
 from copy import copy
 from itertools import chain
 from pathlib import Path, PosixPath
-from typing import TYPE_CHECKING, Any, Callable, Iterable, Mapping, MutableMapping
+from types import ModuleType
+from typing import Any, Callable, Iterable, Mapping, MutableMapping, cast
 
 import yaml
 
@@ -29,9 +30,6 @@
 
 from .leaf import CfgLeaf
 
-if TYPE_CHECKING:
-    from types import ModuleType
-
 LOGGER = logging.getLogger(__name__)
 
 
@@ -494,7 +492,7 @@ def _update_module(self, key: str, value) -> None:
         lines = [reference_comment]
         valid_types = [bool, int, float, str]
         if isinstance(value, type):
-            module: ModuleType = inspect.getmodule(value)  # type: ignore
+            module = cast(ModuleType, inspect.getmodule(value))
             lines.append(f"from {module.__name__} import {value.__name__}\n")
             lines.append(f"{key} = {value.__name__}\n")
         elif type(value) in valid_types: