Use Python 3.7.6 (#326)

Mariatta · web-flow · commit 24588d397d07 · 2020-03-30T20:24:03.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ cache: pip
 python:
   - 3.6
   - 3.6-dev
-  # - 3.7-dev
+  - 3.7-dev
   # - nightly
 
 install:
diff --git a/README.rst b/README.rst
@@ -12,8 +12,7 @@ miss-islington
 
 Bot for backporting and merging `CPython <https://github.com/python/cpython/>`_ Pull Requests.
 
-miss-islington requires Python 3.6. Python 3.7 is not yet supported.
-
+miss-islington requires Python 3.6+.
 
 Backporting a PR on CPython
 ===========================
diff --git a/runtime.txt b/runtime.txt
@@ -1 +1 @@
-python-3.6.9
+python-3.7.6
