Traceback (most recent call last): File "/Users/user/lib/python3.6/site-packages/matplotlib/axes/_axes.py", line 4284, in _parse_scatter_color_args colors = mcolors ...
This example uses a scatter plot, but the same issue can arise with line plots if one uses a numpy vector as a color (e.g., [0.0, 1.0, 0.0, 1.0]). The error produced ...