c

py-polars/polars/io/cloud/credential_provider.py

@@ -55,7 +55,7 @@ class CredentialProviderAWS(CredentialProvider):
             at any point without it being considered a breaking change.
     """
 
-    def __init__(self, *, profile_name: str = "default") -> None:
+    def __init__(self, *, profile_name: str | None = None) -> None:
         """
         Initialize a credential provider for AWS.
 

py-polars/tests/unit/io/cloud/test_cloud.py

@@ -33,9 +33,8 @@ def raises(*_: None, **__: None) -> None:
 
     monkeypatch.setattr(pl.CredentialProviderAWS, "__init__", raises)
 
-    # By default `credential_provider="auto"`
     with pytest.raises(AssertionError, match=err_magic):
-        pl.scan_parquet("s3://bucket/path")
+        pl.scan_parquet("s3://bucket/path", credential_provider="auto")
 
     # Passing `None` should disable the automatic instantiation of
     # `CredentialProviderAWS`