import locale
from PIL import Image

locale.setlocale(locale.LC_ALL, "polish")
im = Image.open('test.jpg')

Traceback (most recent call last):
  File "E:\DOWNLOADS\jpegtran\test.py", line 6, in <module>
    im = Image.open('test.jpg')
  File "G:\Python27\lib\site-packages\PIL\Image.py", line 1982, in open
    preinit()
  File "G:\Python27\lib\site-packages\PIL\Image.py", line 300, in preinit
    from PIL import PpmImagePlugin
  File "G:\Python27\lib\site-packages\PIL\PpmImagePlugin.py", line 27, in <module>
    b_whitespace = string.whitespace.encode()
UnicodeDecodeError: 'ascii' codec can't decode byte 0xa0 in position 6: ordinal
not in range(128)