Merge pull request #9 from perone/master

Fixing a issue when the gevent worker is using an inexistent log.

Author: benoitc

pistil/tcp/gevent_worker.py

@@ -7,7 +7,8 @@
 
 import os
 import sys
-
+import logging
+log = logging.getLogger(__name__)
 
 try:
     import gevent
@@ -58,7 +59,7 @@ def run(self):
             while self.alive:
                 self.notify()
                 if self.ppid != os.getppid():
-                    self.log.info("Parent changed, shutting down: %s", self)
+                    log.info("Parent changed, shutting down: %s", self)
                     break
 
                 gevent.sleep(1.0)