Don't overload `func` arg

tractor/_portal.py

@@ -217,11 +217,11 @@ class LocalPortal:
     ) -> None:
         self.actor = actor
 
-    async def run(self, ns: str, func: str, **kwargs) -> Any:
+    async def run(self, ns: str, func_name: str, **kwargs) -> Any:
         """Run a requested function locally and return it's result.
         """
         obj = self.actor if ns == 'self' else importlib.import_module(ns)
-        func = getattr(obj, func)
+        func = getattr(obj, func_name)
         if inspect.iscoroutinefunction(func):
             return await func(**kwargs)
         else: