Prevent breaking Jinja2 3x changes

Due to pallets/jinja#1496, we cannot use the latest Jinja2 packages inside the operator. The breaking change was introduced in Jinja2's 3x branch, and this change pins the `jinja2` dependency to the latest 2x release.
mmanciop · Sep 24, 2021 · b80ae3b · b80ae3b
1 parent 88bc877
commit b80ae3b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 git+https://github.com/canonical/operator/#egg=ops
 pyyaml
 urllib3
-jinja2
+jinja2 < 3.0.0