Traceback (most recent call last):
File "Test.py", line 27, in <module>
import matplotlib.pyplot as mpl
File "/usr/lib64/python2.6/site-packages/matplotlib/__init__.py", line 96, in <module>
import os, re, shutil, subprocess, sys, warnings
File "/usr/local/lib/python2.7/shutil.py", line 12, in <module>
import collections
File "/usr/local/lib/python2.7/collections.py", line 8, in <module>
from _collections import deque, defaultdict
ImportError: No module named _collections