Tabnanny errors when Migrating Python 2.4 code to 2.5

John Machin sjmachin at
Fri Jan 4 21:06:49 CET 2008

On Jan 5, 3:56 am, kyoso... at wrote:
> Hi,
> When Python 2.5 first came out, I eagerly downloaded it and
> immediately had issues with getting it to run my 2.4 code. So I just
> stuck to 2.4. However, I decided this week that I really should try to
> get 2.5 to work. Does anyone know why code that works perfectly for
> months in a 2.4 environment throws indentation errors in 2.5?

No, not until you go to the bother of reproducing the problem with a
small file, tell us what platform you are on, how you are running this
code (IDLE, shell prompt, ...), how you installed Python 2.5
(2.5.1?), ...

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