improve log message

import_api_app/resources/WriteJobResultsToDrupal.py

@@ -163,7 +163,8 @@ def write_results(job_drupal_uuid, job_log_drupal_uuid, status, report):
             current_app.logger.error(message)
             raise ImportApiError(message)
         elif response.status_code == 500:
-            message = 'There was an internal server error: ' + url + '. Check the logs for details.'
+            message = 'There was an internal server error for ' + url + ': ' + str(response) +\
+                      '. Check the logs for details.'
             current_app.logger.error(message)
             raise ImportApiError(message)
         else: