Better travis deps

scripts/install-dependencies.sh

@@ -54,6 +54,7 @@ ls -lah ~/.npm || mkdir ~/.npm
 # Make sure we own it
 chown -Rc $USER ~/.npm
 # We use this so we can filter the subtrees from our coverage report
+pip install --user requests==2.13.0
 pip install --user https://github.com/codecov/codecov-python/archive/master.zip
 pip install --user autobahntestsuite