add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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# md5 from https://pypi.python.org/pypi/ipython/json, sha256 locally computed
md5 d8cc938f46801060239184a35ec9c5a6 ipython-5.4.0.tar.gz
sha256 6907826c427c917bf0cdab71ee728288b1f1975c4b94b3ed608b67db3183c974 ipython-5.4.0.tar.gz