Support .info("foo %s", "bar") formatting in logger

Author: huonw

aws_lambda_powertools/logging/formatter.py

@@ -176,6 +176,9 @@ def _extract_log_message(self, log_record: logging.LogRecord) -> Union[Dict[str,
         if isinstance(message, dict):
             return message
 
+        if log_record.args:  # logger.info("foo %s", "bar") requires formatting
+            return log_record.getMessage()
+
         if isinstance(message, str):  # could be a JSON string
             try:
                 message = self.json_deserializer(message)