[conda] use pip to install the package [skip ci]

3 jobs for master in 24 minutes and 32 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #246924
docker
build_linux_38

00:12:16

1.0%
passed #246923
intel macos
build_macos_intel_38

00:22:48

1.0%
 
  Deploy
passed #246925
docker
deploy_beta

00:01:44