fix with safe_infer :)

Author: sshane

pylint/checkers/utils.py

@@ -1174,10 +1174,8 @@ def class_is_abstract(node: nodes.ClassDef) -> bool:
 
  # As well as directly inherited ABC class
  for base in node.bases:
- base_class_name = (
- base.attrname if isinstance(base, astroid.Attribute) else base.as_string()
- )
- if base_class_name == "ABC":
+ inferred_base = safe_infer(base)
+ if inferred_base.name == "abc" and inferred_base.root().name == "ABC":
  # abc.ABC inheritance
  return True