AttributeError：“模块”对象没有属性“to_rgba”

当我使用 matplotlib.pyplot 显示图像时出现错误

      5 plt.ylim(-5,6)
      6 plt.title('Question 1(c): sample cluster data (10,000 points per cluster)')
----> 7 plt.show()

C:\Users\yashi\Anaconda3\envs\CSC411\lib\site-packages\matplotlib\pyplot.py in show(*args, **kw)
    242     In non-interactive mode, display all figures and block until
    243     the figures have been closed; in interactive mode it has no
--> 244     effect unless figures were created prior to a change from
    245     non-interactive to interactive mode (not recommended).  In
    246     that case it displays the figures but does not block.

C:\Users\yashi\Anaconda3\envs\CSC411\lib\site-packages\ipykernel\pylab\backend_inline.pyc in show(close, block)
     37             display(
     38                 figure_manager.canvas.figure,
---> 39                 metadata=_fetch_figure_metadata(figure_manager.canvas.figure)
     40             )
     41     finally:

C:\Users\yashi\Anaconda3\envs\CSC411\lib\site-packages\ipykernel\pylab\backend_inline.pyc in _fetch_figure_metadata(fig)
    172     """Get some metadata to help with displaying a figure."""
    173     # determine if a background is needed for legibility
--> 174     if _is_transparent(fig.get_facecolor()):
    175         # the background is transparent
    176         ticksLight = _is_light([label.get_color()

C:\Users\yashi\Anaconda3\envs\CSC411\lib\site-packages\ipykernel\pylab\backend_inline.pyc in _is_transparent(color)
    193 def _is_transparent(color):
    194     """Determine transparency from alpha."""
--> 195     rgba = colors.to_rgba(color)
    196     return rgba[3] < .5

AttributeError: 'module' object has no attribute 'to_rgba'

根据post https://stackoverflow.com/questions/47492556/attributeerror-module-object-has-no-attribute-to-rgb,

我将 matplotlib 更新到 2.23 但它仍然不起作用。我该如何修复它？

我也遇到过这种情况，是ipykernel版本引起的。我将ipykernel从4.10.0更改为4.9.0。问题可以解决。