From 06fae3b5e432f8be786000d1bdc1de1ee6594e3d Mon Sep 17 00:00:00 2001
From: Miro Hrončok <miro@hroncok.cz>
Date: Mar 14 2019 14:19:34 +0000
Subject: Avoid unnecessary list construction


---

diff --git a/src/FedoraReview/checks.py b/src/FedoraReview/checks.py
index c399a0f..1318d19 100644
--- a/src/FedoraReview/checks.py
+++ b/src/FedoraReview/checks.py
@@ -326,8 +326,8 @@ class Checks(_ChecksLoader):
 
     def _get_ready_to_run(self):
         ''' Return checks ready to run, deprecating checks first. '''
-        names = list(self.checkdict.keys())
-        tests_to_run = [n for n in names if self._ready_to_run(n)]
+        names = self.checkdict.keys()
+        tests_to_run = (n for n in names if self._ready_to_run(n))
         return sorted(tests_to_run,
                       key=lambda t: len(self.checkdict[t].deprecates),
                       reverse=True)