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
viewcontroller
windows-system-events
hvplot
sigpipe
sap-dotnet-connector
findbugs
assert
lfe
systemfit
vector-processing
notin
snap7
elasticsearch-suggester
bitbucket-server
azure-acr
frames
git2-rs
pivotal-web-services
scriptella
drupal-7
anime.js
staggered-gridview
xml-signature
go-html-template
spring-data-solr
jsonpickle
file-system-storage
final-class
class-relationship
raiserror