Fix Gradio Slider.update() API - use gr.update() instead

app.py

@@ -782,13 +782,15 @@ def create_interface():
         
         def update_slice_slider(file):
             if file is None:
-                return gr.Slider.update(maximum=100, value=50)
+                return gr.update(maximum=100, value=50)
             try:
-                volume = nib.load(file.name).get_fdata()
+                file_path = file.name if hasattr(file, 'name') else str(file)
+                volume = nib.load(file_path).get_fdata()
                 max_slices = volume.shape[-1] if len(volume.shape) == 3 else volume.shape[2]
-                return gr.Slider.update(maximum=max_slices - 1, value=max_slices // 2)
-            except:
-                return gr.Slider.update(maximum=100, value=50)
+                return gr.update(maximum=max_slices - 1, value=max_slices // 2)
+            except Exception as e:
+                print(f"Error updating slice slider: {e}")
+                return gr.update(maximum=100, value=50)
         
         nifti_input.change(
             fn=update_slice_slider,