got an issue while using aws2fa, macOS Big Sur version 11.2.1

You've found a bug! Please, raise an issue attaching the following traceback
https://github.com/jorgebastida/aws2fa/issues/new
--------------------------------------------------------------------------------
Version: 0.0.3
Python: 3.9.1 (default, Feb 3 2021, 07:04:15)
[Clang 12.0.0 (clang-1200.0.32.29)]
boto3 version: 1.17.5
Platform: macOS-10.16-x86_64-i386-64bit
Config: {'profile': 'default', 'hours': 12, 'aws_access_key_id': 'SENSITIVE', 'aws_secret_access_key': 'SENSITIVE', 'aws_session_token': 'SENSITIVE', 'aws_profile': 'SENSITIVE'}
Args: ['/usr/local/bin/aws2fa']

Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 169, in _new_conn
conn = connection.create_connection(
File "/usr/local/lib/python3.9/site-packages/urllib3/util/connection.py", line 73, in create_connection
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
File "/usr/local/Cellar/python@3.9/3.9.1_8/Frameworks/Python.framework/Versions/3.9/lib/python3.9/socket.py", line 953, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 8] nodename nor servname provided, or not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/botocore/httpsession.py", line 311, in send
urllib_response = conn.urlopen(
File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 755, in urlopen
retries = retries.increment(
File "/usr/local/lib/python3.9/site-packages/urllib3/util/retry.py", line 506, in increment
raise six.reraise(type(error), error, _stacktrace)
File "/usr/local/lib/python3.9/site-packages/urllib3/packages/six.py", line 735, in reraise
raise value
File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 699, in urlopen
httplib_response = self._make_request(
File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 382, in _make_request
self._validate_conn(conn)
File "/usr/local/lib/python3.9/site-packages/urllib3/connectionpool.py", line 1010, in _validate_conn
conn.connect()
File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 353, in connect
conn = self._new_conn()
File "/usr/local/lib/python3.9/site-packages/urllib3/connection.py", line 181, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: : Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/aws2fa/bin.py", line 35, in main
aws2fa.run()
File "/usr/local/lib/python3.9/site-packages/aws2fa/core.py", line 163, in run
profile_session_token = self._get_profile_session_token()
File "/usr/local/lib/python3.9/site-packages/aws2fa/core.py", line 150, in _get_profile_session_token
return self.client.get_session_token(
File "/usr/local/lib/python3.9/site-packages/botocore/client.py", line 357, in _api_call
return self._make_api_call(operation_name, kwargs)
File "/usr/local/lib/python3.9/site-packages/botocore/client.py", line 662, in _make_api_call
http, parsed_response = self._make_request(
File "/usr/local/lib/python3.9/site-packages/botocore/client.py", line 682, in _make_request
return self._endpoint.make_request(operation_model, request_dict)
File "/usr/local/lib/python3.9/site-packages/botocore/endpoint.py", line 102, in make_request
return self._send_request(request_dict, operation_model)
File "/usr/local/lib/python3.9/site-packages/botocore/endpoint.py", line 136, in _send_request
while self._needs_retry(attempts, operation_model, request_dict,
File "/usr/local/lib/python3.9/site-packages/botocore/endpoint.py", line 253, in _needs_retry
responses = self._event_emitter.emit(
File "/usr/local/lib/python3.9/site-packages/botocore/hooks.py", line 356, in emit
return self._emitter.emit(aliased_event_name, **kwargs)
File "/usr/local/lib/python3.9/site-packages/botocore/hooks.py", line 228, in emit
return self._emit(event_name, kwargs)
File "/usr/local/lib/python3.9/site-packages/botocore/hooks.py", line 211, in _emit
response = handler(**kwargs)
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 183, in __call__
if self._checker(attempts, response, caught_exception):
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 250, in __call__
should_retry = self._should_retry(attempt_number, response,
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 277, in _should_retry
return self._checker(attempt_number, response, caught_exception)
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 316, in __call__
checker_response = checker(attempt_number, response,
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 222, in __call__
return self._check_caught_exception(
File "/usr/local/lib/python3.9/site-packages/botocore/retryhandler.py", line 359, in _check_caught_exception
raise caught_exception
File "/usr/local/lib/python3.9/site-packages/botocore/endpoint.py", line 200, in _do_get_response
http_response = self._send(request)
File "/usr/local/lib/python3.9/site-packages/botocore/endpoint.py", line 269, in _send
return self.http_session.send(request)
File "/usr/local/lib/python3.9/site-packages/botocore/httpsession.py", line 340, in send
raise EndpointConnectionError(endpoint_url=request.url, error=e)
botocore.exceptions.EndpointConnectionError: Could not connect to the endpoint URL: "https://sts.amazonaws.com/"