ERROR: warlock 1.3.3 has requirement jsonschema<4,>=0.7, but you'll have jsonschema 4.4.0 which is incompatible.

[Ilya Popov]

During rally installation faced the following:

ERROR: warlock 1.3.3 has requirement jsonschema<4,>=0.7, but you'll have jsonschema 4.4.0 which is incompatible.

Steps to reproduce:

virtualenv ~/venvs/rally
. ~/venvs/rally/bin/activate
pip install rally-openstack

[Ilya Popov (ilya-p)]

Solution is to upgrade pip after sourcing virtualenv:

pip install -U pip