[Doppins] Upgrade dependency hypothesis to ==3.45.1

setup.py

@@ -20,7 +20,7 @@ def run(self):
 
 tests_require = [
     'flake8==3.5.0',
-    'hypothesis==3.44.6',
+    'hypothesis==3.45.1',
     # For python 2.6
     'hypothesislegacysupport',
 ]