[requires.io] dependency update

requires · requires · commit b093113b840d · 2017-10-04T17:48:37.000-05:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,3 +1,3 @@
-pytest==3.2.2
+pytest==3.2.3
 hypothesis
 coverage==4.4.1
