logger.warn is deprecated.

Use logger.warning() instead.

Fixes #1015.

kombu/mixins.py

@@ -21,7 +21,12 @@ from .utils.objects import cached_property
 __all__ = ('ConsumerMixin', 'ConsumerProducerMixin')
 
 logger = get_logger(__name__)
-debug, info, warn, error = logger.debug, logger.info, logger.warn, logger.error
+debug, info, warn, error = (
+    logger.debug,
+    logger.info,
+    logger.warning,
+    logger.error
+)
 
 W_CONN_LOST = """\
 Connection to broker lost, trying to re-establish connection...\

kombu/utils/url.py

@@ -53,7 +53,7 @@ def parse_url(url):
                     query[key] = getattr(ssl, query[key])
                 else:
                     query[key] = None
-                    logger.warn('Defaulting to insecure SSL behaviour.')
+                    logger.warning('Defaulting to insecure SSL behaviour.')
 
             if 'ssl' not in query:
                 query['ssl'] = {}