Add missing PyYAML in setup.py, from hazardlib
Add missing PyYAML in setup.py, from hazardlib


Former-commit-id: de47593d8c49f219a36cc1a8a4abeda1954e36cb [formerly 59a44a9f9802cba37e76adf636c051ce62f0f757]
Former-commit-id: cdea12a535158c0fd9d967fef49d874973c61450
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine