fix #9234 #8970 check attr "elem_classes" before use

2026-09-09 06:18:43 +02:00 · 2023-04-08 00:05:52 +08:00
parent 22bcc7be42
commit 34b1ed5d55
1 changed files with 4 additions and 2 deletions
@@ -525,8 +525,10 @@ def add_classes_to_gradio_component(comp):
    """
    this adds gradio-* to the component for css styling (ie gradio-button to gr.Button), as well as some others
    """
-
-    comp.elem_classes = ["gradio-" + comp.get_block_name(), *(comp.elem_classes or [])]
+    elem_classes = []
+    if hasattr(comp, "elem_classes"):
+        elem_classes = comp.elem_classes
+    comp.elem_classes = ["gradio-" + comp.get_block_name(), *(elem_classes)]

    if getattr(comp, 'multiselect', False):
        comp.elem_classes.append('multiselect')