try to fix path issue

app.py

@@ -247,7 +247,12 @@ def extract_rgb_imgs(input_img, rec_img, mask_img, channels, mean, std):
 
 def predict_on_images(data_files: list, mask_ratio: float, yaml_file_path: str, checkpoint: str):
 
-    # os.makedirs(output_dir, exist_ok=True)
+    
+    try:
+        data_files = [x.name for x in data_files]
+        print('Path extracted from example')
+    except:
+        print('Files submitted through UI')
 
     # Get parameters --------
     print('This is the printout', data_files)