Python shell wont open idle or an exisiting py file

Chris Angelico rosuav at
Sat Feb 1 02:52:39 CET 2014

On Sat, Feb 1, 2014 at 12:45 PM, Terry Reedy <tjreedy at> wrote:
> H:\HP_Documents\0PythonWork\AirplaneKinematics\
> caused this message
> UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc0 in position 14:
> invalid start byte

So... something's interpreting \0 as codepoint U+0000 (which it
shouldn't), storing that in "UTF-8" as 0xC0 0x80 (which it shouldn't),
and then giving it to Python to decode. That's a weird little
combination bug right there.


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