Update werkzeug from 0.15.1 to 0.15.2

requirements/dev.txt

@@ -5,9 +5,9 @@
 Sphinx==1.8.5 \
     --hash=sha256:9f3e17c64b34afc653d7c5ec95766e03043cc6d80b0de224f59b6b6e19d37c3c \
     --hash=sha256:c7658aab75c920288a8cf6f09f244c6cfdae30d82d803ac1634d9f223a80ca08
-Werkzeug==0.15.1 \
-    --hash=sha256:96da23fa8ccecbc3ae832a83df5c722c11547d021637faacb0bec4dd2f4666c8 \
-    --hash=sha256:ca5c2dcd367d6c0df87185b9082929d255358f5391923269335782b213d52655
+Werkzeug==0.15.2 \
+    --hash=sha256:0a73e8bb2ff2feecfc5d56e6f458f5b99290ef34f565ffb2665801ff7de6af7a \
+    --hash=sha256:7fad9770a8778f9576693f0cc29c7dcc36964df916b83734f4431c0e612a7fbc
 blessings==1.7 \
     --hash=sha256:caad5211e7ba5afe04367cdd4cfc68fa886e2e08f6f35e76b7387d2109ccea6e \
     --hash=sha256:b1fdd7e7a675295630f9ae71527a8ebc10bfefa236b3d6aa4932ee4462c17ba3 \