Merge pull request benoitc#2823 from Roffild/patch-1

fix LevelLog in Arbiter.run()

Author: benoitc

gunicorn/arbiter.py

@@ -230,8 +230,8 @@ def run(self):
  except SystemExit:
  raise
  except Exception:
- self.log.info("Unhandled exception in main loop",
- exc_info=True)
+ self.log.error("Unhandled exception in main loop",
+  exc_info=True)
  self.stop(False)
  if self.pidfile is not None:
  self.pidfile.unlink()