[requires.io] dependency update

requires · requires · commit 977614e632bb · 2017-11-14T22:32:53.000Z
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,4 +1,4 @@
-pytest==3.2.3
+pytest==3.2.4
 pytest-cov==2.5.1
 pytest-xdist==1.20.1
 hypothesis
