When using localhost for the Motionbuilder server two ports need to be specified. Here's an example script to test with:
Code:
import viz
viz.go()
#Import the Vizard module
import vizmocap
# Load ground
viz.add('tut_ground.wrl')
#Set the window to stay on top
viz.window.setFloat()
#Add an avatar to the scene
male = viz.add('vcc_male.cfg',pos=(0,0,6),euler=(180,0,0))
#Connect to a Live Characters server at the specified address and port, attach the avatar
lc1 = vizmocap.LiveCharacter('localhost',8050,8055,model=male)