Traceback errors

I have enabled New Relic on production. I frequently get these traceback errors.

    Traceback (most recent call last):
      File "/usr/src/blu/server/.venv/lib/python3.7/site-packages/newrelic/packages/urllib3/connectionpool.py", line 426, in _make_request
        six.raise_from(e, None)
      File "<string>", line 3, in raise_from
      File "/usr/src/blu/server/.venv/lib/python3.7/site-packages/newrelic/packages/urllib3/connectionpool.py", line 421, in _make_request

Can anyone help me understand what this issue is?