fix: remove Optional where it isn't optional

Author: fselmo

web3/_utils/module.py

@@ -42,7 +42,7 @@ def _validate_init_params_and_return_if_found(module_class: Any) -> List[str]:
 
 def attach_modules(
     parent_module: Union["BaseWeb3", "Module"],
-    module_definitions: Optional[Dict[str, Any]],
+    module_definitions: Dict[str, Any],
     w3: Optional[Union["BaseWeb3", "Module"]] = None,
 ) -> None:
     for module_name, module_info in module_definitions.items():