--- a/bench.py	Fri Dec 09 13:57:24 2016 +0800
+++ b/bench.py	Fri Dec 09 14:03:55 2016 +0800
@@ -114,8 +114,9 @@
 
 def guessnew(maxrevs, marks):
     """ Pick one continuous span of nodes that still need testing. """
-    cmd = [HG, 'log', '-R', TESTHGREPO, '-T', '{node}\n', '-r', 'sort(all(), rev)']
-    output = check_output(cmd)
+    output = check_output([
+        HG, 'log', '-R', TESTHGREPO, '-T', '{node}\n', '-r', 'sort(all(), rev)'
+    ])
     nodes = output.split()
     picking = False
     todo = []
@@ -136,8 +137,9 @@
 
 
 def guessspikes(maxrevs, marks):
-    cmd = [HG, 'log', '-R', TESTHGREPO, '-T', '{node}\n', '-r', 'sort(all(), -rev)']
-    output = check_output(cmd)
+    output = check_output([
+        HG, 'log', '-R', TESTHGREPO, '-T', '{node}\n', '-r', 'sort(all(), -rev)'
+    ])
     nodes = output.split()
     todo = []
     conn = sqlite3.connect(DBPATH)