>>> from libtiff import *
Generating '/usr/local/lib/python2.7/dist-packages/libtiff/tiff_h_4_0_6.py'
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/libtiff/__init__.py", line 20, in <module>
    from .libtiff_ctypes import libtiff, TIFF, TIFF3D
  File "/usr/local/lib/python2.7/dist-packages/libtiff/libtiff_ctypes.py", line 102, in <module>
    f = open(fn, 'w')
IOError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/libtiff/tiff_h_4_0_6.py'

(1) : Linux system permission, enter root mode, modify the permission

chmod 777 /usr/local/lib/python2.7/dist-packages/libtiff/tiff_h_4_0_6.py

(2) : Modify folder permissions in Win7 or Win10 systems.