Update app.py

app.py

@@ -57,7 +57,7 @@ def predict(frame1, frame2, times_to_interpolate):
             input_frames, times_to_interpolate, interpolator))
 
     mediapy.write_video("out.mp4", frames, fps=30)
-    return out_path
+    return "out.mp4"
 
 title="frame-interpolation"
 description="Gradio demo for FILM: Frame Interpolation for Large Scene Motion. To use it, simply upload your images and add the times to interpolate number or click on one of the examples to load them. Read more at the links below."