Flake8 and pylance fixes

func_adl/util_ast.py

@@ -5,7 +5,7 @@
 import sys
 import tokenize
 from collections import defaultdict
-from dataclasses import dataclass, is_dataclass
+from dataclasses import is_dataclass
 from types import ModuleType
 from typing import Any, Callable, Dict, Generator, List, Optional, Tuple, Union, cast
 
@@ -331,7 +331,7 @@ def visit_Name(self, node: ast.Name) -> Any:
                 return as_literal(v)
 
             if is_dataclass(v):
-                return as_literal(v)
+                return ast.Constant(value=v, kind=None)
 
         return node