Update app.py

app.py

@@ -15,6 +15,7 @@ def paint(frame: np.ndarray) -> np.ndarray:
     global canvas
     h, w, _ = frame.shape
 
+    # Initialize canvas once
     if canvas is None:
         canvas = np.zeros((h, w, 3), dtype=np.uint8)
 
@@ -29,10 +30,11 @@ def paint(frame: np.ndarray) -> np.ndarray:
     # Blend live frame and canvas
     return cv2.addWeighted(frame, 0.5, canvas, 0.5, 0)
 
+# --- Gradio interface using gr.components ---
 demo = gr.Interface(
     fn=paint,
-    inputs=gr.inputs.Image(source="webcam", type="numpy"),
-    outputs=gr.outputs.Image(type="numpy"),
+    inputs=gr.components.Image(source="webcam", type="numpy"),
+    outputs=gr.components.Image(type="numpy"),
     live=True,
     title="🖌️ Virtual Painter",
     description="Move your index finger in front of the camera to draw!"