code: def load_skel(self, source, **kwargs):
          '''Load a skeleton definition from a text file.
  
          Parameters
          ----------
          source : str or file
              A filename or file-like object that contains text information
              describing a skeleton. See :class:`pagoda.parser.BodyParser` for
              more information about the format of the text file.
          '''
          logging.info('%s: parsing skeleton configuration', source)
          if hasattr(source, 'read'):
              p = parser.parse(source, self.world, self.jointgroup, **kwargs)
          else:
              with open(source) as handle:
                  p = parser.parse(handle, self.world, self.jointgroup, **kwargs)
          self.bodies = p.bodies
          self.joints = p.joints
          self.set_pid_params(kp=0.999 / self.world.dtf load_skel(self, source, **kwargs):
          '''Load a skeleton definition from a text file.
  
          Parameters
          ----------
          source : str or file
              A filename or file-like object that contains text information
              describing a skeleton. See :class:`pagoda.parser.BodyParser` for
              more information about the format of the text file.
          '''
          logging.info('%s: parsing skeleton configuration', source)
          if hasattr(source, 'read'):
              p = parser.parse(source, self.world, self.jointgroup, **kwargs)
          else:
              with open(source) as handle:
                  p = parser.parse(handle, self.world, self.jointgroup, **kwargs)
          self.bodies = p.bodies
          self.joints = p.joints
          self.set_pid_params(kp=0.999 / self.world.dt)
docs: Load a skeleton definition from a text file.
  
          Parameters
          ----------
          source : str or file
              A filename or file-like object that contains text information
              describing a skeleton. See :class:`pagoda.parser.BodyParser` for
              more information about the format of the text file.