[Image-SIG] PIL error: IOError: decoder jpeg not available

[Fredrik Lundh]

Niurka Perez wrote:

> When PIL is installed it says:
> *** TKINTER support not available
> --- JPEG support ok
> --- ZLIB (PNG/ZIP) support ok
> *** FREETYPE2 support not available
> 
> But a second after PIL installation, we run selftest.py and it keeps
> saying the error "decoder jpeg not available". As a result, when we
> test our program, for gif, bmp and tif files the create thumbnails
> perfectly; for jpg and png we can´t.

quoting myself from a message posted only a few days ago:

     try running Python with the -v (or -vv) option, to see if it really
     picks up the _imaging module you built.

      $ python -vv -c "import _imaging"

</F>