Fix hacking and requirements

Change-Id: Ie7a36b0a7957f102b6a1195cdc7c0403cdd9545a
diff --git a/turbo_hipster/lib/models.py b/turbo_hipster/lib/models.py
index 1a2c836..b1cbbd2 100644
--- a/turbo_hipster/lib/models.py
+++ b/turbo_hipster/lib/models.py
@@ -48,7 +48,7 @@
             self.log_handler.flush()
             self.log_handler.close()
         if ('shutdown-th' in self.job_config and
-            self.job_config['shutdown-th']):
+                self.job_config['shutdown-th']):
             self.worker_server.shutdown_gracefully()
 
     def _reset(self):