Errors getting flag usage data from Influx causes a 500 error retrieving a flag

[sentry[bot]]

Sentry Issue: FLAGSMITH-API-K3

ApiException: (500)
Reason: Internal Server Error
HTTP response headers: HTTPHeaderDict({'Date': 'Thu, 03 Mar 2022 15:33:40 GMT', 'Content-Type': 'application/json; charset=utf-8', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive', 'trace-id': 'c2c2bb909b998e79', 'trace-sampled': 'false', 'vary': 'Accept-Encoding', 'x-platform-error-code': 'internal error', 'Strict-Transport-Security': 'max-age=15724800; includeSubDomains', 'X-Influxdb-Request-ID': '692d9cc3f46ceba93a7473e59323e472', 'X-Influxdb-Build': 'Clou...
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...
  File "influxdb_client/api_client.py", line 345, in call_api
    _preload_content, _request_timeout, urlopen_kw)
  File "influxdb_client/api_client.py", line 174, in __call_api
    _request_timeout=_request_timeout, **urlopen_kw)
  File "influxdb_client/api_client.py", line 392, in request
    **urlopen_kw)
  File "influxdb_client/rest.py", line 309, in POST
    **urlopen_kw)
  File "influxdb_client/rest.py", line 252, in request
    raise ApiException(http_resp=r)