code: def linewidth(self, linewidth=None):
          
  
          if linewidth is None:
              return self._linewidth
          else:
              if not is_numeric(linewidth):
                  raise TypeError(
                   "linewidth must be number, not '%s'" % str(linewidth)
                  )
              self._linewidth = linewidth
docs: Returns or sets (if a value is provided) the width of the series'
          line.
  
          :param Number linewidth: If given, the series' linewidth will be set to\
          this.
          :rtype: ``Number``