Hack: Fix readthedocs build
Hack: Fix readthedocs build

The Mycroft API documentation were blank due to the import of the yaml
module for some reason. This moves the import into the method where it's
used

MycroftAI/mycroft-core,Dark5ide/mycroft-core,forslund/mycroft-core,Dark5ide/mycroft-core,forslund/mycroft-core,MycroftAI/mycroft-core