docs: def showWalkthrough(self, walkthrough, force=False):
          """
          Emits the walkthroughRequested signal to display the given 
          walkthrough information.  This can be either a string name for a
          standard walkthrough, or an actual walkthrough instance.
          
          :param      walkthrough | <str> || <XWalkthrough>
          """
          if type(walkthrough) in (str, unicode):
              walkthrough = self.findWalkthrough(walkthrough)
  
          if walkthrough:
              self.walkthroughRequested.emit(walkthrough, force)