fix another encoding place

.ci/ansible_tests.py

@@ -40,7 +40,8 @@ with ci_lib.Fold('job_setup'):
     # Don't set -U as that will upgrade Paramiko to a non-2.6 compatible version.
     # run("pip install -q ansible==%s", ci_lib.ANSIBLE_VERSION)
     # ansible v2.10 isn't out yet so we're installing from github for now
-    run('pip install -q {}'.format(ci_lib.ANSIBLE_VERSION))
+    # encoding is required for installing ansible 2.10 with pip2, otherwise we get a UnicodeDecode error
+    run('LC_CTYPE=en_US.UTF-8 LANG=en_US.UTF-8 pip install -q {}'.format(ci_lib.ANSIBLE_VERSION))
 
     # after ansible is installed, install common collections until ansible==2.10 comes out
     run('ansible-galaxy collection install community.general')