Não é possível importar a biblioteca python

pip list
Package    Version
---------- -------
numpy      1.16.0 
pip        19.0   
scipy      1.2.0  
setuptools 20.7.0 
wheel      0.29.0 



root@4c3f6bda574c:~# python 
Python 2.7.14 (default, Jan 22 2019, 21:16:55) 
[GCC 7.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import scipy
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named scipy
>>> import numpy
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named numpy
>>> import sys
>>> exit() . 

root@4c3f6bda574c:~# echo $PYTHONPATH
/usr/local/lib/python2.7/dist-packages . 

root@4c3f6bda574c:~# cd /usr/local/lib/python2.7/dist-packages . 

root@4c3f6bda574c:/usr/local/lib/python2.7/dist-packages# ls -la
total 44
drwxrwsr-x  8 root staff   128 Jan 22 22:33 .
drwxr-xr-x 29 root root  20480 Jan 22 22:07 ..
drwxr-sr-x 17 root staff  4096 Jan 22 22:08 numpy
drwxr-sr-x  2 root staff   111 Jan 22 22:08 numpy-1.16.0.dist-info
drwxr-sr-x  4 root staff   116 Jan 22 22:33 pip
 drwxr-sr-x  2 root staff   130 Jan 22 22:33 pip-19.0.dist-info
drwxr-sr-x 21 root staff  4096 Jan 22 22:08 scipy
drwxr-sr-x  2 root staff    87 Jan 22 22:08 scipy-1.2.0.dist-info