uncap eventlet
We will manage the eventlet version using constraints now. See the
thread starting at
for more details.
pbr!=2.1.0,>=2.0.0 # Apache-2.0
Babel!=2.4.0,>=2.3.4 # BSD
-eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
+eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
oslo.concurrency>=3.26.0 # Apache-2.0
oslo.log>=3.36.0 # Apache-2.0
oslo.i18n>=3.15.3 # Apache-2.0
