1*4882a593Smuzhiyunconfig BR2_PACKAGE_PYTHON_TYPING_EXTENSIONS 2*4882a593Smuzhiyun bool "python-typing-extensions" 3*4882a593Smuzhiyun select BR2_PACKAGE_PYTHON_TYPING if BR2_PACKAGE_PYTHON # runtime 4*4882a593Smuzhiyun help 5*4882a593Smuzhiyun Backported and Experimental Type Hints for Python 3.5+. 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun https://github.com/python/typing/blob/master/typing_extensions/README.rst 8