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_openUE9OverEthernet(): bytes-like object is required

Although implicit string-to-byte conversion is supported in Python 2.7, Python 3.x requires explicit conversion to Unicode. Passing instead outBuff.encode('utf-8)' seems to resolve the issue.
GitHub

Error during fetching LDAP objects: TypeError("a bytes-like object is required, not 'str'")

But the objectGUID is not string.. If i set UID Type to DN, everything works, but i dont want to use DN as UID Type. ObjectGUID is fine.