Fix pytest error due to deprecation warning (omry#1101)

* Fix pytest error due to deprecation warning

* Revert "pin setuptools to avoid DeprecationWarning (omry#1069)"

This reverts commit 5b6257b.

noxfile.py

@@ -16,11 +16,7 @@
 def deps(
     session: Session, editable_install: bool, requirements: str = "requirements/dev.txt"
 ) -> None:
-    session.install(
-        "--upgrade",
-        "setuptools<=66",  # pinned due to DeprecationWarning, see https://github.com/omry/omegaconf/issues/1068
-        "pip",
-    )
+    session.install("--upgrade", "setuptools", "pip")
     extra_flags = ["-e"] if editable_install else []
     session.install("-r", requirements, *extra_flags, ".", silent=True)
 

pyproject.toml

@@ -13,7 +13,7 @@ exclude = '''
 '''
 
 [tool.pytest.ini_options]
-addopts = "--import-mode=append -Werror"
+addopts = "--import-mode=append -Werror -W 'ignore:pkg_resources is deprecated as an API:DeprecationWarning' -W 'ignore:Deprecated call to `pkg_resources:DeprecationWarning'"
 pythonpath = ["."]
 
 [tool.towncrier]