utils.compat.LoggerAdapter: Forgot to import logging

celery/utils/compat.py

@@ -294,6 +294,7 @@ except ImportError:
 try:
     from logging import LoggerAdapter
 except ImportError:
+    import logging
     class LoggerAdapter(object):
 
         def __init__(self, logger, extra):
@@ -374,7 +375,6 @@ except ImportError:
             self.logger.removeHandler(hdlr)
 
 
-
 ############## itertools.izip_longest #######################################
 
 try: