DEPR: Series.to_csv signature change
@toobaz you introduced this deprecation in #21896.  Can you confirm this enforces the deprecation in the intended way?
@jbrockmendel  Yes, this all seems correct to me. I just wonder whether this should be removed too:

https://github.com/pandas-dev/pandas/blob/35029d20d53a1af57823759039f57d8ff09736c3/pandas/tests/io/test_compression.py#L17 updated tests per both requests thanks! love the removals!