Python version 3.10 needs quotes in the yaml file

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 787dc9b3b691caa29aa7c161779796706d4a49d5..549651cd79dcf27b96d54352d1bb86dfba757fa7 100644 (file)
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.7, 3.9, 3.10]
+        python-version: [3.7, 3.9, '3.10']
         os: [ubuntu-latest]
 
     steps: