ci: Fix slicer-apidocs-builder not working on Python 2

jamesobutler · jcfr · commit fb9277978c4b · 2021-12-02T11:15:39.000-05:00
Dependencies of slicer-apidocs-builder are now Python 3 only so building this package on a Python 2 image is not going to work.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -3,7 +3,7 @@ jobs:
   build:
     working_directory: /usr/src/apidocs
     docker:
-      - image: python:2.7.13
+      - image: python:3.9.9
     steps:
       - checkout
       - run:
