Fixing u.delete_files, I think it's a permissions problem

app.py

@@ -298,7 +298,7 @@ with gr.Blocks() as demo:
                                                                         item_quote_output
                                                                         ], 
                                                                         outputs = generate_gallery )
-    list_of_static_dir = ["./card_parts/", " ./fonts/"]
+    list_of_static_dir = ["./card_parts/", " ./fonts/", "./image_temp"]
     gr.set_static_paths(paths=list_of_static_dir)
     
     

utilities.py

@@ -20,15 +20,16 @@ def directory_contents(directory_path):
 
 # Delete a list of file 
 def delete_files(file_paths):
+    if file_paths:
      
-    for file_path in file_paths:
-        try:
-            os.remove(f"./image_temp/{file_path}")
-            print(f"Remove : ./image_temp/{file_path}")
-        except OSError as e:
-            print(f"Error: {file_path} : {e.strerror}")
-    file_paths.clear()
-    
+        for file_path in file_paths:
+            try:
+                os.remove(f"./image_temp/{file_path}")
+                print(f"Remove : ./image_temp/{file_path}")
+            except OSError as e:
+                print(f"Error: {file_path} : {e.strerror}")
+        file_paths.clear()
+        
 
 def open_image_from_url(image_url):
     response = requests.get(image_url)