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[Harsh Patel <question671286@xxxxxxxxxxxxxxxxxxxxx>]

Question #671286 on Yade changed:
https://answers.launchpad.net/yade/+question/671286

Harsh Patel posted a new comment:
Hello Jerome, Thank you for replying. Firstly, I changed the title of the question as told by you. Secondly, I followed all the troubleshooting methods explained in this post (https://stackoverflow.com/questions/47179433/python-2-7-functools-lru-cache-does-not-import-although-installed/49335954#49335954) but I am still getting the same error:
----------------------------------------------------------
In [1]: from yade import plot
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
/usr/bin/yade in <module>()
----> 1 from yade import plot

/usr/lib/x86_64-linux-gnu/yade/py/yade/plot.py in <module>()
     23 
     24 
---> 25 import matplotlib,os,time,math,itertools
     26 
     27 # running in batch

/usr/lib/python2.7/dist-packages/matplotlib/__init__.py in <module>()
    125     _backports, mplDeprecation, dedent, get_label, sanitize_sequence)
    126 from matplotlib.compat import subprocess
--> 127 from matplotlib.rcsetup import defaultParams, validate_backend, cycler
    128 
    129 import numpy

/usr/lib/python2.7/dist-packages/matplotlib/rcsetup.py in <module>()
     27 
     28 from matplotlib.cbook import mplDeprecation, deprecated, ls_mapper
---> 29 from matplotlib.fontconfig_pattern import parse_fontconfig_pattern
     30 from matplotlib.colors import is_color_like
     31 

/usr/lib/python2.7/dist-packages/matplotlib/fontconfig_pattern.py in <module>()
     30     from functools import lru_cache
     31 except ImportError:
---> 32     from backports.functools_lru_cache import lru_cache
     33 
     34 family_punc = r'\\\-:,'

ImportError: No module named functools_lru_cache
-------------------------------------------
Any help to troubleshoot this would be appreciated. I am not able to use YADE because of this for quite a long time.

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