fix(langchain-classic): pass default to config.getoption (#34034)

Fixes #34033

---------

Co-authored-by: Mason Daugherty <mason@langchain.dev>

Author: sarahec

libs/langchain/tests/unit_tests/conftest.py

@@ -49,10 +49,10 @@ def test_something(): ...
     # Used to avoid repeated calls to `util.find_spec`
     required_pkgs_info: dict[str, bool] = {}
 
-    only_extended = config.getoption("--only-extended") or False
-    only_core = config.getoption("--only-core") or False
+    only_extended = config.getoption("--only-extended", default=False)
+    only_core = config.getoption("--only-core", default=False)
 
-    if not config.getoption("--community"):
+    if not config.getoption("--community", default=False):
         skip_community = pytest.mark.skip(reason="need --community option to run")
         for item in items:
             if "community" in item.keywords:

libs/langchain_v1/tests/unit_tests/conftest.py

@@ -80,8 +80,8 @@ def test_something(): ...
     # Used to avoid repeated calls to `util.find_spec`
     required_pkgs_info: dict[str, bool] = {}
 
-    only_extended = config.getoption("--only-extended") or False
-    only_core = config.getoption("--only-core") or False
+    only_extended = config.getoption("--only-extended", default=False)
+    only_core = config.getoption("--only-core", default=False)
 
     if only_extended and only_core:
         msg = "Cannot specify both `--only-extended` and `--only-core`."