File "/usr/local/lib/python3.10/dist-packages/SmartApi/smartConnect.py", line 526, in getMarginApi
marginApiResult=self._postRequest("api.margin.api",params)
File "/usr/local/lib/python3.10/dist-packages/SmartApi/smartConnect.py", line 263, in _postRequest
return self._request(route, "POST", params)
File "/usr/local/lib/python3.10/dist-packages/SmartApi/smartConnect.py", line 233, in _request
raise ex.DataException("Couldn't parse the JSON response received from the server: {content}".format(
SmartApi.smartExceptions.DataException: Couldn't parse the JSON response received from the server: b''