Draw a path with the same characteristics from the
    first point to the last point

def _draw_lines(data, ax, **params):
    """
    Draw a path with the same characteristics from the
    first point to the last point
    """
    color = to_rgba(data['color'].iloc[0], data['alpha'].iloc[0])
    join_style = _get_joinstyle(data, params)
    lines = mlines.Line2D(data['x'],
                          data['y'],
                          color=color,
                          linewidth=data['size'].iloc[0],
                          linestyle=data['linetype'].iloc[0],
                          zorder=params['zorder'],
                          **join_style)
    ax.add_artist(lines)