fix typeerror

import_api_app/resources/ClearCache.py

@@ -31,7 +31,7 @@ class ClearCache(Resource):
                    }, 500
         if response.status_code != 200:
             current_app.logger.debug('there was an unexpected behaviour calling ' + uri)
-            current_app.logger.debug('statuscode: ' + response.status_code + ' content: ' +
+            current_app.logger.debug('statuscode: ' + str(response.status_code) + ' content: ' +
                                      response.content.decode('utf-8'))
             return {
                        'content': response.content.decode("utf-8"),