Что тут не так
Traceback (most recent call last):
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connection.py", line 198, in _new_conn
    sock = connection.create_connection(
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\connection.py", line 60, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\socket.py", line 914, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11001] getaddrinfo failed

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 793, in urlopen
    response = self._make_request(
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 491, in _make_request
    raise new_e
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 467, in _make_request
    self._validate_conn(conn)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 1099, in _validate_conn
    conn.connect()
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connection.py", line 616, in connect
    self.sock = sock = self._new_conn()
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connection.py", line 205, in _new_conn
    raise NameResolutionError(self.host, self, e) from e
urllib3.exceptions.NameResolutionError: <urllib3.connection.HTTPSConnection object at 0x000001C9555AB580>: Failed to resolve 'chat.ramxn.dev' ([Errno 11001] getaddrinfo failed)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 589, in send
    resp = conn.urlopen(
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 847, in urlopen
    retries = retries.increment(
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\retry.py", line 515, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='chat.ramxn.dev', port=443): Max retries exceeded with url: /backend-api/v2/conversation (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x000001C9555AB580>: Failed to resolve 'chat.ramxn.dev' ([Errno 11001] getaddrinfo failed)"))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "main.py", line 33, in <module>
    response = requests.post(url="https://chat.ramxn.dev/backend-api/v2/conversation",headers=headers,data=data)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 115, in post
    return request("post", url, data=data, json=json, **kwargs)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 59, in request
    return session.request(method=method, url=url, **kwargs)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
  File "C:\Users\Dayzi\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 622, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='chat.ramxn.dev', port=443): Max retries exceeded with url: /backend-api/v2/conversation (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x000001C9555AB580>: Failed to resolve 'chat.ramxn.dev' ([Errno 11001] getaddrinfo failed)"))