parameters: (self, progress_bar=None, title=None, visible=None, step=None)
docstring: @params
              progress_bar- Maya's progress bar
              title- title
              visible- visibility
              step- number of steps in this process
function: def __init__(self, progress_bar=None, title=None, visible=None, step=None):
          ''' @params
              progress_bar- Maya's progress bar
              title- title
              visible- visibility
              step- number of steps in this process '''
function_tokens: def __init__ ( self , progress_bar = None , title = None , visible = None , step = None ) :