Always rename CRITICAL to FATAL

Author: Artem Krivonos

awslambdaric/bootstrap.py

@@ -374,6 +374,7 @@ def create_log_sink():
 
 
 def setup_logging(log_format, log_level, log_sink):
+    logging._levelToName[logging.CRITICAL] = "FATAL"
     logging.Formatter.converter = time.gmtime
     logger = logging.getLogger()
     logger_handler = LambdaLoggerHandler(log_sink)
@@ -388,7 +389,6 @@ def setup_logging(log_format, log_level, log_sink):
         )
 
     if log_level:
-        logging._levelToName[logging.CRITICAL] = "FATAL"
         logger.setLevel(log_level)
 
     logger_handler.addFilter(LambdaLoggerFilter())