requirements.txt: Add prometheus_client

This should have been added a couple PRs back.

Signed-off-by: Zack Cerza <zack@redhat.com>

diff --git a/requirements.txt b/requirements.txt
index 25585e621f3dc9be36b46727197def3ce867f645..c6e96296dd698b08d07964dcca8933dccc35f5ca 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -223,6 +223,8 @@ prettytable==2.1.0
     #   python-cinderclient
     #   python-novaclient
     #   teuthology (pyproject.toml)
+prometheus-client==0.16.0
+    # via teuthology (pyproject.toml)
 psutil==5.8.0
     # via teuthology (pyproject.toml)
 ptyprocess==0.7.0