[SciPy-Dev] Problems with documentation of scipy.interpolate.dfitpack

[bowie_22]

Hello together,

I tried to contribute to the documentation of scipy.
I found out that the whole 

scipy.interpolate.dfitpack

package seems to be a little bit different.

It is not possible to view the code.
You get 404 File not found error.

Is there no source code available for dfitpack?
If so, how is the documentation handled?

Regs 

Marcus