Attempt to fix a bug

Author: sadra-barikbin

.github/workflows/hvd-tests.yml

@@ -73,6 +73,7 @@ jobs:
           target_dir: /tmp
 
       - name: Check if Horovod actually exists
+        shell: bash -l {0}
         run: |
           python -c "import ignite.distributed as idist, sys; sys.exit(not idist.has_hvd_support)"