sentry_sdk (unittest.loader._FailedTest) ... ERROR

======================================================================
ERROR: sentry_sdk (unittest.loader._FailedTest)
----------------------------------------------------------------------
ImportError: Failed to import test module: sentry_sdk
Traceback (most recent call last):
  File "/nix/store/drr8qcgiccfc5by09r5zc30flgwh1mbx-python3-3.7.5/lib/python3.7/unittest/loader.py", line 470, in _find_test_path
    package = self._get_module_from_name(name)
  File "/nix/store/drr8qcgiccfc5by09r5zc30flgwh1mbx-python3-3.7.5/lib/python3.7/unittest/loader.py", line 377, in _get_module_from_name
    __import__(name)
  File "/build/sentry-sdk-0.13.2/sentry_sdk/__init__.py", line 1, in <module>
    from sentry_sdk.hub import Hub, init
  File "/build/sentry-sdk-0.13.2/sentry_sdk/hub.py", line 9, in <module>
    from sentry_sdk.scope import Scope
  File "/build/sentry-sdk-0.13.2/sentry_sdk/scope.py", line 6, in <module>
    from sentry_sdk.utils import logger, capture_internal_exceptions
  File "/build/sentry-sdk-0.13.2/sentry_sdk/utils.py", line 772, in <module>
    HAS_REAL_CONTEXTVARS, ContextVar = _get_contextvars()
  File "/build/sentry-sdk-0.13.2/sentry_sdk/utils.py", line 740, in _get_contextvars
    if not _is_threading_local_monkey_patched():
  File "/build/sentry-sdk-0.13.2/sentry_sdk/utils.py", line 721, in _is_threading_local_monkey_patched
    from eventlet.patcher import is_monkey_patched  # type: ignore
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/__init__.py", line 10, in <module>
    from eventlet import convenience
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/convenience.py", line 7, in <module>
    from eventlet.green import socket
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/green/socket.py", line 21, in <module>
    from eventlet.support import greendns
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/support/greendns.py", line 69, in <module>
    setattr(dns.rdtypes.IN, pkg, import_patched('dns.rdtypes.IN.' + pkg))
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/support/greendns.py", line 59, in import_patched
    return patcher.import_patched(module_name, **modules)
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/patcher.py", line 126, in import_patched
    *additional_modules + tuple(kw_additional_modules.items()))
  File "/nix/store/c7gzwdfhpq2a9ix6xy15fv4fjn1s57fs-python3.7-eventlet-0.25.1/lib/python3.7/site-packages/eventlet/patcher.py", line 100, in inject
    module = __import__(module_name, {}, {}, module_name.split('.')[:-1])
  File "/nix/store/grdm0zv2b7blma4ykb11nvb6g7xw8jcz-python3.7-dnspython-1.16.0/lib/python3.7/site-packages/dns/rdtypes/IN/WKS.py", line 25, in <module>
    _proto_tcp = socket.getprotobyname('tcp')
OSError: protocol not found


----------------------------------------------------------------------
Ran 1 test in 0.000s

FAILED (errors=1)
Test failed: <unittest.runner.TextTestResult run=1 errors=1 failures=0>
error: Test failed: <unittest.runner.TextTestResult run=1 errors=1 failures=0>
builder for '/nix/store/aq3bs2hpacj0jaj0zgpjlkajgxvpxhm0-python3.7-sentry-sdk-0.13.2.drv' failed with exit code 1
error: build of '/nix/store/aq3bs2hpacj0jaj0zgpjlkajgxvpxhm0-python3.7-sentry-sdk-0.13.2.drv' failed