It shows this line:

File "C:\simuladores\..\simuladores\detector\views.py" in pdf
  259.     canvas.print_pdf(response, facecolor='w', edgecolor='w')
File "C:\Python26\Lib\site-packages\matplotlib\backend_bases.py" in
print_pdf
  1334.         return pdf.print_pdf(*args, **kwargs)

In my code this line is:     dir(canvas.print_pdf)
    canvas.print_pdf(response, facecolor='w', edgecolor='w')

but I do not know about solving.

On 23 maio, 09:37, kenneth gonsalves <law...@thenilgiris.com> wrote:
> On Wed, 2012-05-23 at 05:16 -0700, Waleria wrote:
> > Exception Type: TypeError Exception Value: coercing to Unicode: need
> > string or buffer, dict found
>
> you have to find out where in the code the error is coming. Then you
> will find that you are passing a dict instead of a string.
> --
> regards
> Kenneth Gonsalves

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