Hi,
Yes, it's a new requirement[1]. I prepared a patch[2] for v2.2.4 with
kiwisolver[3].
Regards,
Loïc
[1]
https://github.com/matplotlib/matplotlib/blob/dce1dc3941a74b59696428999afee5727d43df2b/INSTALL.rst#dependencies
[2] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236455
[3]
after update port to py36-matplotlib-2.2.3:
Traceback (most recent call last):
File "./plot_graph.py", line 6, in
import matplotlib.pyplot as plt
File "/usr/local/lib/python3.6/site-packages/matplotlib/pyplot.py",
line 31, in
import matplotlib.colorbar
File
