Update app.py

app.py

@@ -56,7 +56,7 @@ def interpolate_image(img_a_path: str, img_b_path: str) -> Tuple[str, str]:
             interpolated_path
         ], check=True)
 
-        return interpolated_path, interpolated_path
+        return interpolated_image, interpolated_path
 
     except subprocess.CalledProcessError as e:
         raise gr.Error(f"Interpolation failed. {e}")