rgba无效php,使用plot（）函数时，matplotlib中的RGBA颜色无效“ ro”

Traceback(most recent call last):File"/usr/lib/python3.7/tkinter/__init__.py",line1705,in__call__returnself.func(*args)File"/usr/local/lib/python3.7/dist-packages/matplotlib/backends/_backend_tk.py",line259,inresize

self.draw()File"/usr/local/lib/python3.7/dist-packages/matplotlib/backends/backend_tkagg.py",line9,indraw

super(FigureCanvasTkAgg,self).draw()File"/usr/local/lib/python3.7/dist-packages/matplotlib/backends/backend_agg.py",line388,indraw

self.figure.draw(self.renderer)File"/usr/local/lib/python3.7/dist-packages/matplotlib/artist.py",line38,indraw_wrapperreturndraw(artist,renderer,*args,**kwargs)File"/usr/local/lib/python3.7/dist-packages/matplotlib/figure.py",line1709,indraw

renderer,self,artists,self.suppressComposite)File"/usr/local/lib/python3.7/dist-packages/matplotlib/image.py",line135,in_draw_list_compositing_images

a.draw(renderer)File"/usr/local/lib/python3.7/dist-packages/matplotlib/artist.py",line38,indraw_wrapperreturndraw(artist,renderer,*args,**kwargs)File"/usr/local/lib/python3.7/dist-packages/matplotlib/axes/_base.py",line2647,indraw

mimage._draw_list_compositing_images(renderer,self,artists)File"/usr/local/lib/python3.7/dist-packages/matplotlib/image.py",line135,in_draw_list_compositing_images

a.draw(renderer)File"/usr/local/lib/python3.7/dist-packages/matplotlib/artist.py",line38,indraw_wrapperreturndraw(artist,renderer,*args,**kwargs)File"/usr/local/lib/python3.7/dist-packages/matplotlib/lines.py",line783,indraw

lc_rgba=mcolors.to_rgba(self._color,self._alpha)File"/usr/local/lib/python3.7/dist-packages/matplotlib/colors.py",line177,into_rgba

rgba=_to_rgba_no_colorcycle(c,alpha)File"/usr/local/lib/python3.7/dist-packages/matplotlib/colors.py",line233,in_to_rgba_no_colorcycleraiseValueError("Invalid RGBA argument: {!r}".format(orig_c))ValueError:InvalidRGBA argument:'ro'