I'm trying to read a c3d file on Python with the btk library but I didn't succeed. I downloaded the library here https://code.google.com/archive/p/b-tk/download
osx-gatekeeper
jsonobject
emr
ora-06512
webui
apple-app-site-association
azure-appservice
genesis
hawtio
hortonworks-data-platform
2-3-4-tree
aspectj-maven-plugin
qwebelement
360-degrees
xml-import
database-tuning
requesthandler
excel4node
dft
setuptools-scm
multiple-return-values
recording
minimum-spanning-tree
page-numbering
owner
iostream
bsondocument
camunda-plugin
activeperl
shellcheck