Make gerrit_monitoring.py executable

Change-Id: Id9ab768dc5d1f38e18079f01e381a10a629e627e
diff --git a/README.md b/README.md
index 47a43e2..08bfa96 100644
--- a/README.md
+++ b/README.md
@@ -210,7 +210,7 @@
 it, run:
 
 ```sh
-pipenv run python ./gerrit_monitoring.py \
+pipenv run ./gerrit_monitoring.py \
   --config config.yaml \
   install \
   [--output ./dist] \
@@ -277,7 +277,7 @@
 charts installed in the configured namespace and delete the namespace as well:
 
 ```sh
-pipenv run python ./gerrit_monitoring.py \
+pipenv run ./gerrit_monitoring.py \
   --config config.yaml \
   uninstall
 ```
diff --git a/gerrit_monitoring.py b/gerrit_monitoring.py
old mode 100644
new mode 100755