Don't create formatter if no log level set

tractor/log.py

@@ -67,7 +67,9 @@ def get_console_log(level: str = None, name: str = None) -> logging.Logger:
     '''
     log = get_logger(name)  # our root logger
 
-    if level:
+    if not level:
+        return
+
     log.setLevel(level.upper() if not isinstance(level, int) else level)
 
     if not any(