Update app.py

app.py

@@ -40,8 +40,8 @@ def download_file(task_id):
 
 
 def save_local(buffer, fname):
-    os.makedirs('file_cache/', exist_ok=True)
-    path = os.path.join('file_cache', fname)
+    os.makedirs('file_stash/', exist_ok=True)
+    path = os.path.join('file_stash', fname)
     with open(path, 'wb') as outfile:
         outfile.write(buffer.read())
     return path