CI: upgrade PyPy to v7.3.1

The older version isn't available for Ubuntu 18.04.
catmaid · Dec 6, 2020 · 811e57d · 811e57d
1 parent 9f9e08e
commit 811e57d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,7 @@ python:
   - "3.7"
   - "3.8"
   - "nightly"
-  - "pypy3.6-7.1.1"
+  - "pypy3.6-7.3.1"
 matrix:
   allow_failures:
   - python: "nightly"