fix types

Author: rmorshea

flake8_idom_hooks/__init__.py

@@ -4,7 +4,7 @@
 )
 
 try:
-    __version__ = _get_distribution(__name__).version
+    __version__: str = _get_distribution(__name__).version
 except _DistributionNotFound:  # pragma: no cover
     # package is not installed
     __version__ = "0.0.0"

flake8_idom_hooks/exhaustive_deps.py

@@ -85,6 +85,8 @@ def _check_hook_dependency_list_is_exhaustive(
         func: Union[ast.FunctionDef, ast.Lambda],
         dependency_expr: Optional[ast.expr],
     ) -> None:
+        assert self._current_hook_or_element is not None
+
         dep_names = self._get_dependency_names_from_expression(
             hook_name, dependency_expr
         )