pip-compile -P gevent
so it's compatible with python3.7
@@ -38,8 +38,8 @@ first==2.0.1 # via pip-tools
funcsigs==1.0.2 # via debtcollector, oslo.utils, pytest
functools32==3.2.3.post2 # via jsonschema
futures==3.2.0 # via s3transfer
-gevent==1.2.1
-greenlet==0.4.12 # via gevent
+gevent==1.4.0
+greenlet==0.4.15 # via gevent
httplib2==0.10.3
idna==2.5 # via requests
ipaddress==1.0.18 # via cryptography
