chore: Make easier to read

Author: Michael Brewer

aws_lambda_powertools/logging/logger.py

@@ -290,7 +290,10 @@ def _get_log_level(level: Union[str, int]) -> Union[str, int]:
         if isinstance(level, int):
             return level
 
-        log_level: str = level or os.getenv("LOG_LEVEL", "INFO")
+        log_level: str = level or os.getenv("LOG_LEVEL")
+        if log_level is None:
+            return logging.INFO
+
         return log_level.upper()
 
     @staticmethod