Drop Hypothesis pin in testing

alexwlchan · alexwlchan · commit 7af3ef02bcdb · 2017-09-04T09:36:39.000+01:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,4 +1,4 @@
 pytest==3.2.1
 pytest-cov==2.5.1
 pytest-xdist==1.20.0
-hypothesis==3.23.2
+hypothesis
