[requires.io] dependency update

requires · requires · commit 517ff6aaaf31 · 2018-08-18T16:25:14.000+01:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,3 +1,3 @@
-pytest==3.7.1
+pytest==3.7.2
 pytest-cov==2.5.1
 hypothesis
