actions: pin pytest-asyncio version for Ubuntu 20

Newest versions are no longer compatible with older pytest.
osm-search · Dec 4, 2023 · 3c32c03 · 3c32c03
1 parent 8a2c606
commit 3c32c03
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
@@ -105,7 +105,7 @@ jobs:
               if: matrix.flavour != 'oldstuff'
 
             - name: Install newer pytest-asyncio
-              run: pip3 install -U pytest-asyncio
+              run: pip3 install -U pytest-asyncio==0.21.1
               if: matrix.flavour == 'ubuntu-20'
 
             - name: Install test prerequsites (from pip for Ubuntu 18)