v3.1.0

New Features and Enhancements:

• Add support for Python 3.10 (#692) (d4aed82)
• Add support for Python 3.8, Python 3.9, pypy-3.7 and pypy-3.8. (#689) (0aa94cc)
• Deprecate use_index parameter from MDQ of files/folders (#666) (2595720)
• Replace external package mock with Python standard library unittest.mock (#697) (6fd6366)
• Upgrade cryptography library to the most recent version. (#668) (9c94d08), closes #667

Bug Fixes:

• UploadSession.commit returns None when retry limit was reached (#696) (9456fe0)
• Add missing api_call decorator for create_upload_session (#686) (3510d3a)
• Fix chunked upload (#673) (2605fd7), closes #671