Message 127177 - Python tracker

This bug may be based on same problem as Issue 6203.
- My system locale is en_GB.UTF-8.
- Given a latin1 text file, open()+ will fail with
  'UnicodeDecodeError: 'utf8' codec can't decode byte 0xf6...'
- Using locale.setlocale(..., ...)
- Re-open causes same error, I/O layer codec has not been changed!
- Using os.environ["LC_ALL"] = ...
- Re-open works properly, I/O layer codec has been changed.
P.S.: i am new to Python, please don't assume i can help in solving the problem!