def color(self, color=None):
if color is None:<EOL><INDENT>return self._color<EOL><DEDENT>else:<EOL><INDENT>if not isinstance(color, str):<EOL><INDENT>raise TypeError("<STR_LIT>" % str(color))<EOL><DEDENT>self._color = color<EOL><DEDENT>
Returns or sets (if a value is provided) the series' colour.

        :param str color: If given, the series' colour will be set to this.
        :rtype: ``str``