Update app.py

app.py

@@ -135,7 +135,7 @@ if app_mode =='Run on Video':
         result_frame = cv2.resize(result_frame, (target_frame_width, target_frame_height))
         image = cv2.resize(image, (target_frame_width, target_frame_height))
         # Put image and result side by side
-        stacked_frame = np.vstack((image, result_frame))
+        stacked_frame = np.hstack((image, result_frame))
         if save_video:
             out.write(stacked_frame)
         stframe.image(stacked_frame,channels = 'BGR',use_column_width=True)