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
static-initialization
command-history
lilypond
es5-compatiblity
teltonika
ss7
mysql-connector
java-server
vue-flickity
app-store-distribution-profile
azure-service-hooks
openerp-7
android-gravity
path-variables
ssg
react-effects
mailcatcher
sharpjs
symbian
easyhtmlreport
backgroundworker
xstream
wiktionary
flutter-lints
python-nonlocal
java-17
resolution
mybinder
conductor
joomla3.3