diff --git a/src/conductor/client/http/api_client.py b/src/conductor/client/http/api_client.py
index 1622e8054..5b6413752 100644
--- a/src/conductor/client/http/api_client.py
+++ b/src/conductor/client/http/api_client.py
@@ -74,10 +74,11 @@ def __call_api(
                 _preload_content=_preload_content, _request_timeout=_request_timeout
             )
         except AuthorizationException as ae:
-            if ae.token_expired:
-                logger.error(
-                    f'authentication token has expired, refreshing the token.  request= {method} {resource_path}')
-                # if the token has expired, lets refresh the token
+            if ae.token_expired or ae.invalid_token:
+                token_status = "expired" if ae.token_expired else "invalid"
+                logger.warning(
+                    f'authentication token is {token_status}, refreshing the token.  request= {method} {resource_path}')
+                # if the token has expired or is invalid, lets refresh the token
                 self.__force_refresh_auth_token()
                 # and now retry the same request
                 return self.__call_api_no_retry(
@@ -87,7 +88,7 @@ def __call_api(
                     _return_http_data_only=_return_http_data_only, collection_formats=collection_formats,
                     _preload_content=_preload_content, _request_timeout=_request_timeout
                 )
-            raise  ae
+            raise ae
 
     def __call_api_no_retry(
             self, resource_path, method, path_params=None,
@@ -266,7 +267,7 @@ def __deserialize(self, data, klass):
         if data is None:
             return None
 
-        if type(klass) == str:
+        if isinstance(klass, str):
             if klass.startswith('list['):
                 sub_kls = re.match(r'list\[(.*)\]', klass).group(1)
                 return [self.__deserialize(sub_data, sub_kls)
@@ -290,7 +291,7 @@ def __deserialize(self, data, klass):
 
         if klass in self.PRIMITIVE_TYPES:
             return self.__deserialize_primitive(data, klass)
-        elif klass == object:
+        elif klass is object:
             return self.__deserialize_object(data)
         elif klass == datetime.date:
             return self.__deserialize_date(data)
@@ -567,7 +568,7 @@ def __deserialize_primitive(self, data, klass):
         :return: int, long, float, str, bool.
         """
         try:
-            if klass == str and type(data) == bytes:
+            if klass is str and isinstance(data, bytes):
                 return self.__deserialize_bytes_to_str(data)
             return klass(data)
         except UnicodeEncodeError:
@@ -669,7 +670,7 @@ def __get_authentication_headers(self):
 
         if time_since_last_update > self.configuration.auth_token_ttl_msec:
             # time to refresh the token
-            logger.debug(f'refreshing authentication token')
+            logger.debug('refreshing authentication token')
             token = self.__get_new_token()
             self.configuration.update_token(token)
 
@@ -699,9 +700,10 @@ def __force_refresh_auth_token(self) -> None:
     def __get_new_token(self) -> str:
         try:
             if self.configuration.authentication_settings.key_id is None or self.configuration.authentication_settings.key_secret is None:
-                logger.error('Authentication Key or Secret is set.  Failed to get the auth token')
+                logger.error('Authentication Key or Secret is not set. Failed to get the auth token')
                 return None
 
+            logger.debug('Requesting new authentication token from server')
             response = self.call_api(
                 '/token', 'POST',
                 header_params={