ci(heroku): Force Python version

In order to be compatible with the now heroku-18 stack
2019-04-20 12:31:49 +02:00 · 2019-04-20 12:31:49 +02:00 · 4b92015063
parent aa04d773ef
commit 4b92015063
1 changed files with 1 additions and 0 deletions
--- a/runtime.txt
+++ b/runtime.txt
@ -0,0 +1 @@
+python-2.7.16