Revert runtime to 3.7.6 for heroku

jlubken · jlubken · commit f8f9528c006a · 2020-04-03T19:27:56.000-04:00
diff --git a/runtime.txt b/runtime.txt
@@ -1,2 +1,2 @@
-python-3.7.7
+python-3.7.6
 
