fix arg

Author: DifferentialOrange

tarantool/connection.py

@@ -1354,7 +1354,7 @@ def authenticate(self, user, password):
                                       salt=self._salt,
                                       user=self.user,
                                       password=self.password,
-                                      type=self._get_auth_type())
+                                      auth_type=self._get_auth_type())
         auth_response = self._send_request_wo_reconnect(request)
         if auth_response.return_code == 0:
             self.flush_schema()