teuthology/suite/test: clarify variable name

"den" for denominator is not that intuitive.

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/teuthology/suite/test/test_build_matrix.py b/teuthology/suite/test/test_build_matrix.py
index 504903692683801d9eb372c961c72a01ab59db80..a69f1843dbb39168fb8db956c8ace5c2b2dc0dd3 100644 (file)
--- a/teuthology/suite/test/test_build_matrix.py
+++ b/teuthology/suite/test/test_build_matrix.py
@@ -651,8 +651,8 @@ class TestSubset(object):
 
     @staticmethod
     def generate_subset(maxsub):
-        den = random.choice(range(maxsub-1))+1
-        return (random.choice(range(den)), den)
+        divisions = random.choice(range(maxsub-1))+1
+        return (random.choice(range(divisions)), divisions)
 
     @staticmethod
     def generate_description_list(tree, subset):