fix: Fix ci unit-tests (#4713)

Author: knikure

tests/conftest.py

@@ -253,7 +253,9 @@ def mxnet_eia_latest_py_version():
 
 @pytest.fixture(scope="module", params=["py2", "py3"])
 def pytorch_training_py_version(pytorch_training_version, request):
-    if Version(pytorch_training_version) >= Version("2.0"):
+    if Version(pytorch_training_version) >= Version("2.3"):
+        return "py311"
+    elif Version(pytorch_training_version) >= Version("2.0"):
         return "py310"
     elif Version(pytorch_training_version) >= Version("1.13"):
         return "py39"