I am new to python and I am working on a graph problem and I want to draw this graph to have a better understanding of it. I learnt that matplotlib module is supposed to be imp
module: new
As David Robinson points out in a comment on another answer you may have posted an incomplete error message, in which case it is possible that the inbuilt module new is being shadowed by new.py in the gis module. - if that is the case the suggested fix is to rename the gis version.
Incomplete Matplotlib install
Alternatively, given your output you may be trying to import networkx and you don't seem to have matplotlib (correctly) installed.
Could you make sure that matplotlib is correctly installed, either if you're on Ubuntu by using
sudo apt-get install python-matplotlib
or if you prefer pip or easy_install,
pip install matplotlib
or
easy_install matplotlib