Update app.py

app.py

@@ -100,6 +100,7 @@ canvas_result = st_canvas(
 # Do something interesting with the image data and paths
 if canvas_result.image_data is not None:
     #st.image(canvas_result.image_data)
+    image = canvas_result.image_data
     image1 = image.copy()
     image1 = image1.astype('float32')  # Convert to float32
     image1 = cv2.cvtColor(image1, cv2.COLOR_BGR2GRAY)