---------------------------------------------------------------------------
WantReadError                             Traceback (most recent call last)
/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/contrib/pyopenssl.py in wrap_socket(self, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname)
    487             try:
--> 488                 cnx.do_handshake()
    489             except OpenSSL.SSL.WantReadError:

/databricks/python/lib/python3.8/site-packages/OpenSSL/SSL.py in do_handshake(self)
   1933         result = _lib.SSL_do_handshake(self._ssl)
-> 1934         self._raise_ssl_error(self._ssl, result)
   1935

/databricks/python/lib/python3.8/site-packages/OpenSSL/SSL.py in _raise_ssl_error(self, ssl, result)
   1645         if error == _lib.SSL_ERROR_WANT_READ:
-> 1646             raise WantReadError()
   1647         elif error == _lib.SSL_ERROR_WANT_WRITE:

WantReadError:

During handling of the above exception, another exception occurred:

AttributeError                            Traceback (most recent call last)
/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in _request_exec(self, session, method, full_url, headers, data, token, catch_okta_unauthorized_error, is_raw_text, is_raw_binary, binary_data_handler, socket_timeout)
    809             # ReadTimeout is raised.
--> 810             raw_ret = session.request(
    811                 method=method,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/requests/sessions.py in request(self, method, url, params, data, headers, cookies, files, auth, timeout, allow_redirects, proxies, hooks, stream, verify, cert, json)
    529         send_kwargs.update(settings)
--> 530         resp = self.send(prep, **send_kwargs)
    531

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/requests/sessions.py in send(self, request, **kwargs)
    642         # Send the request
--> 643         r = adapter.send(request, **kwargs)
    644

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/requests/adapters.py in send(self, request, stream, timeout, verify, cert, proxies)
    438             if not chunked:
--> 439                 resp = conn.urlopen(
    440                     method=request.method,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/connectionpool.py in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)
    669             # Make the request on the httplib connection object.
--> 670             httplib_response = self._make_request(
    671                 conn,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
    380         try:
--> 381             self._validate_conn(conn)
    382         except (SocketTimeout, BaseSSLError) as e:

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/connectionpool.py in _validate_conn(self, conn)
    977         if not getattr(conn, "sock", None):  # AppEngine might not have  `.sock`
--> 978             conn.connect()
    979

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/connection.py in connect(self)
    361
--> 362         self.sock = ssl_wrap_socket(
    363             sock=conn,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/ssl_wrap_socket.py in ssl_wrap_socket_with_ocsp(*args, **kwargs)
     69
---> 70     ret = ssl_.ssl_wrap_socket(*args, **kwargs)
     71

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/util/ssl_.py in ssl_wrap_socket(sock, keyfile, certfile, cert_reqs, ca_certs, server_hostname, ssl_version, ciphers, ssl_context, ca_cert_dir, key_password, ca_cert_data)
    383         if HAS_SNI and server_hostname is not None:
--> 384             return context.wrap_socket(sock, server_hostname=server_hostname)
    385

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/contrib/pyopenssl.py in wrap_socket(self, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname)
    489             except OpenSSL.SSL.WantReadError:
--> 490                 if not util.wait_for_read(sock, sock.gettimeout()):
    491                     raise timeout("select timed out")

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/util/wait.py in wait_for_read(sock, timeout)
    145     """
--> 146     return wait_for_socket(sock, read=True, timeout=timeout)
    147

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/vendored/urllib3/util/wait.py in poll_wait_for_socket(sock, read, write, timeout)
     97         mask |= select.POLLOUT
---> 98     poll_obj = select.poll()
     99     poll_obj.register(sock, mask)

AttributeError: module 'select' has no attribute 'poll'

During handling of the above exception, another exception occurred:

RetryRequest                              Traceback (most recent call last)
/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in _request_exec_wrapper(self, session, method, full_url, headers, data, retry_ctx, no_retry, token, **kwargs)
    656         try:
--> 657             return_object = self._request_exec(
    658                 session=session,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in _request_exec(self, session, method, full_url, headers, data, token, catch_okta_unauthorized_error, is_raw_text, is_raw_binary, binary_data_handler, socket_timeout)
    910                 exc_info=True)
--> 911             raise RetryRequest(err)
    912         except Exception as err:

RetryRequest: module 'select' has no attribute 'poll'

During handling of the above exception, another exception occurred:

OperationalError                          Traceback (most recent call last)
<command-216810807432721> in <module>
    124 try:
--> 125   ctx = snowflake.connector.connect(
    126       user=dbutils.secrets.get("snowflake", "snowflakeusr"),

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/__init__.py in Connect(**kwargs)
     49 def Connect(**kwargs):
---> 50     return SnowflakeConnection(**kwargs)
     51

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/connection.py in __init__(self, **kwargs)
    227         self.converter = None
--> 228         self.connect(**kwargs)
    229         self._telemetry = TelemetryClient(self._rest)

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/connection.py in connect(self, **kwargs)
    422         self.__set_error_attributes()
--> 423         self.__open_connection()
    424

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/connection.py in __open_connection(self)
    632         auth.read_temporary_credentials(self.host, self.user, self._session_parameters)
--> 633         self._authenticate(auth_instance)
    634

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/connection.py in _authenticate(self, auth_instance)
    865         try:
--> 866             self.__authenticate(self.__preprocess_auth_instance(auth_instance))
    867         except ReauthenticationRequest as ex:

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/connection.py in __authenticate(self, auth_instance)
    883         auth = Auth(self.rest)
--> 884         self._session_parameters = auth.authenticate(
    885             auth_instance=auth_instance,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/auth.py in authenticate(self, auth_instance, account, user, database, schema, warehouse, role, passcode, passcode_in_password, mfa_callback, password_callback, session_parameters, timeout)
    196         try:
--> 197             ret = self._rest._post_request(
    198                 url, headers, json.dumps(body),

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in _post_request(self, url, headers, body, token, timeout, _no_results, no_retry, socket_timeout, _include_retry_params)
    540
--> 541         ret = self.fetch('post', full_url, headers, data=body,
    542                          timeout=timeout, token=token,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in fetch(self, method, full_url, headers, data, timeout, **kwargs)
    621             while True:
--> 622                 ret = self._request_exec_wrapper(
    623                     session, method, full_url, headers, data, retry_ctx,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in _request_exec_wrapper(self, session, method, full_url, headers, data, retry_ctx, no_retry, token, **kwargs)
    712                     else:
--> 713                         self.handle_invalid_certificate_error(
    714                             conn, full_url, cause)

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/network.py in handle_invalid_certificate_error(self, conn, full_url, cause)
    738         # all other errors raise exception
--> 739         Error.errorhandler_wrapper(
    740             conn, None, OperationalError,

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/errors.py in errorhandler_wrapper(connection, cursor, error_class, error_value)
    226         elif connection is not None:
--> 227             connection.errorhandler(connection, cursor, error_class, error_value)
    228             return

/local_disk0/.ephemeral_nfs/envs/pythonEnv-073a97aa-ae3c-411b-80dd-d03e4f76502e/lib/python3.8/site-packages/snowflake/connector/errors.py in default_errorhandler(connection, cursor, error_class, error_value)
    178         """
--> 179         raise error_class(
    180             msg=error_value.get('msg'),

OperationalError: 250003: Failed to execute request: module 'select' has no attribute 'poll'

During handling of the above exception, another exception occurred:

Exception                                 Traceback (most recent call last)
<command-216810807432721> in <module>
    455 except Exception as error:
--> 456     raise Exception("Error fetching data from Snowflake: " + str(error))
    457 finally:

Exception: Error fetching data from Snowflake: 250003: Failed to execute request: module 'select' has no attribute 'poll'

During handling of the above exception, another exception occurred:

NameError                                 Traceback (most recent call last)
<command-216810807432721> in <module>
    456     raise Exception("Error fetching data from Snowflake: " + str(error))
    457 finally:
--> 458     cs.close()
    459     ctx.close()

NameError: name 'cs' is not defined