Update xml2rfc required version

awwright · awwright · commit a37187350b1c · 2019-02-26T22:34:05.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: python
 install:
-- pip install "xml2rfc<2.10"
+- pip install "xml2rfc~=2.20"
 before_script:
 - TAG=$(git tag -l --points-at HEAD)
 script:
