about calc_optical_flow.py

[yoghurtea]

What is the version of the corresponding matplotlib package used?

(flownet2) root@interactive14626:/opt/data/private/shh/VEC_VAD-master# python calc_optical_flow.py Traceback (most recent call last): File "calc_optical_flow.py", line 7, in from FlowNet2_src import FlowNet2 File "/opt/data/private/shh/VEC_VAD-master/FlowNet2_src/init.py", line 2, in from .flowlib import * File "/opt/data/private/shh/VEC_VAD-master/FlowNet2_src/flowlib.py", line 5, in import matplotlib.colors as cl File "/opt/data/private/zy/envs/flownet2/lib/python3.6/site-packages/matplotlib/init.py", line 141, in from . import cbook, rcsetup File "/opt/data/private/zy/envs/flownet2/lib/python3.6/site-packages/matplotlib/rcsetup.py", line 25, in from matplotlib.fontconfig_pattern import parse_fontconfig_pattern File "/opt/data/private/zy/envs/flownet2/lib/python3.6/site-packages/matplotlib/fontconfig_pattern.py", line 19, in from pyparsing import (Literal, ZeroOrMore, Optional, Regex, StringEnd, File "/opt/data/private/zy/envs/flownet2/lib/python3.6/site-packages/pyparsing/init.py", line 130, in version = version_info.version AttributeError: 'version_info' object has no attribute 'version'