What's Changed
* PPF-317: cleanup unnecessary oop by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/318
* PPF-320: support dropdowns by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/321
* PPF-322: deprecate 3.6 type hints by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/323
**Full Changelog**: https://github.com/chinapandaman/PyPDFForm/compare/v1.2.0...v1.2.1