Cannot do any listing operation

[musahi0128]

Hi, I find that I am able to connect to the server using rclone. I can do upload and download, but I can't do any listing operation. For example, rclone tree TelegramS3:idnfs will return following error.

root@mush:~/TelegramS3# clear; python3 main.py
INFO:     Will watch for changes in these directories: ['/root/TelegramS3']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2967929] using StatReload
INFO:     Started server process [2967933]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
INFO:     127.0.0.1:51962 - "GET /idnfs?delimiter=&max-keys=1000&prefix= HTTP/1.1" 500 Internal Server Error
[2023-08-31 07:04:56,137] ERROR in app: Exception on request GET /idnfs
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1650, in handle_request
    return await self.full_dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1675, in full_dispatch_request
    result = await self.handle_user_exception(error)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1107, in handle_user_exception
    raise error
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1673, in full_dispatch_request
    result = await self.dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1718, in dispatch_request
    return await self.ensure_async(handler)(**request_.view_args)
  File "/root/TelegramS3/main.py", line 63, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 74, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 108, in bucketData
    objects.append(Contents(obj["name"], obj["hash"], ow, obj["size"], obj["modified"]))
KeyError: 'modified'
[2023-08-31 07:04:56,336] ERROR in app: Exception on request GET /idnfs
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1650, in handle_request
    return await self.full_dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1675, in full_dispatch_request
    result = await self.handle_user_exception(error)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1107, in handle_user_exception
    raise error
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1673, in full_dispatch_request
    result = await self.dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1718, in dispatch_request
    return await self.ensure_async(handler)(**request_.view_args)
  File "/root/TelegramS3/main.py", line 63, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 74, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 108, in bucketData
    objects.append(Contents(obj["name"], obj["hash"], ow, obj["size"], obj["modified"]))
KeyError: 'modified'
INFO:     127.0.0.1:51962 - "GET /idnfs?delimiter=&max-keys=1000&prefix= HTTP/1.1" 500 Internal Server Error
[2023-08-31 07:04:56,648] ERROR in app: Exception on request GET /idnfs
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1650, in handle_request
    return await self.full_dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1675, in full_dispatch_request
    result = await self.handle_user_exception(error)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1107, in handle_user_exception
    raise error
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1673, in full_dispatch_request
    result = await self.dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1718, in dispatch_request
    return await self.ensure_async(handler)(**request_.view_args)
  File "/root/TelegramS3/main.py", line 63, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 74, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 108, in bucketData
    objects.append(Contents(obj["name"], obj["hash"], ow, obj["size"], obj["modified"]))
KeyError: 'modified'
INFO:     127.0.0.1:51962 - "GET /idnfs?delimiter=&max-keys=1000&prefix= HTTP/1.1" 500 Internal Server Error
INFO:     127.0.0.1:51962 - "GET /idnfs?delimiter=&max-keys=1000&prefix= HTTP/1.1" 500 Internal Server Error
[2023-08-31 07:04:56,987] ERROR in app: Exception on request GET /idnfs
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1650, in handle_request
    return await self.full_dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1675, in full_dispatch_request
    result = await self.handle_user_exception(error)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1107, in handle_user_exception
    raise error
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1673, in full_dispatch_request
    result = await self.dispatch_request(request_context)
  File "/usr/local/lib/python3.10/dist-packages/quart/app.py", line 1718, in dispatch_request
    return await self.ensure_async(handler)(**request_.view_args)
  File "/root/TelegramS3/main.py", line 63, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 74, in wrapped
    return await f(*args, **kwargs)
  File "/root/TelegramS3/main.py", line 108, in bucketData
    objects.append(Contents(obj["name"], obj["hash"], ow, obj["size"], obj["modified"]))
KeyError: 'modified'