我在理解为什么matplotlib.scatter()在使用Python 3.6.3作为解释器时不断抛出以下异常时遇到了一些困难,但在使用内置于我的MacBook的2.7时工作正常:
Traceback (most recent call last):
File "/Users/thomastiotto/python_envs/MachineLearning/lib/python3.6/site-packages/matplotlib/colors.py", line 132, in to_rgba
rgba = _colors_full_map.cache[c, alpha]
TypeError: unhashable type: 'numpy.ndarray'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/thomastiotto/python_envs/MachineLearning/lib/python3.6/site-packages/matplotlib/axes/_axes.py", line 4050, in scatter
colors = mcolors.to_rgba_array(c)
File "/Users/thomastiotto/python_envs/MachineLearning/lib/python3.6/site-packages/matplotlib/colors.py", line 233, in to_rgba_array
result[i] = to_rgba(cc, alpha)
File "/Users/thomastiotto/python_envs/MachineLearning/lib/python3.6/site-packages/matplotlib/colors.py", line 134, in to_rgba
rgba = _to_rgba_no_colorcycle(c, alpha)
File "/Users/thomastiotto/python_envs/MachineLearning/lib/python3.6/site-packages/matplotlib/colors.py", line 189, in _to_rgba_no_colorcycle
raise ValueError("RGBA sequence should have length 3 or 4")
ValueError: …