DataFrame.unregister_dataframe_by_name string return type error

[ajpotts]

Describe the bug
DataFrame.unregister_dataframe_by_name throws a string return type error.

To Reproduce
Steps to reproduce the behavior:
df = ak.DataFrame({'col1': [1, 2, 3], 'col2': [4, 5, 6]})
df.register("my_table_name")
df.attach("my_table_name")
df.unregister_dataframe_by_name("my_table_name")

Error message:
TypeError: type of the return value must be NoneType; got str instead

ak.get_config() Output
{'arkoudaVersion': 'v2023.11.15+40.gef09a8e23',
'chplVersion': '1.32.0',
'ZMQVersion': '4.3.5',
'HDF5Version': '1.12.2',
'serverHostname': 'pop-os',
'ServerPort': 5555,
'numLocales': 1,
'numPUs': 8,
'maxTaskPar': 8,
'physicalMemory': 67260350464,
'distributionType': 'domain(1,int(64),one)',
'LocaleConfigs': [{'id': 0,
'name': 'pop-os',
'numPUs': 8,
'maxTaskPar': 8,
'physicalMemory': 67260350464}],
'authenticate': False,
'logLevel': 'INFO',
'logChannel': 'CONSOLE',
'regexMaxCaptures': 20,
'byteorder': 'little',
'autoShutdown': False,
'serverInfoNoSplash': False,
'ARROW_VERSION': '14.0.1'}