Avoid extra isinstance calls in _visit_generic (pylint-dev#2502)

cdce8p · Aug 7, 2024 · 29b6cbd · 29b6cbd
1 parent 15207a7
commit 29b6cbd
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/astroid/transforms.py b/astroid/transforms.py
@@ -104,11 +104,13 @@ def _visit_generic(
     def _visit_generic(self, node: nodes.NodeNG) -> SuccessfulInferenceResult: ...
 
     def _visit_generic(self, node: _Vistables) -> _VisitReturns:
+        if not node:
+            return node
         if isinstance(node, list):
             return [self._visit_generic(child) for child in node]
         if isinstance(node, tuple):
             return tuple(self._visit_generic(child) for child in node)
-        if not node or isinstance(node, str):
+        if isinstance(node, str):
             return node
 
         try: