[Debian-med-packaging] packages with explicit dependency on python2.5?

[Matthias Klose]

The following packages explicit build-depend on python2.5. why? can the 
unversioned build-dependency python-dev be used instead?

mgltools-bhtree
mgltools-dejavu
mgltools-gle
mgltools-mglutil
mgltools-molkit
mgltools-opengltk
mgltools-pmv
mgltools-pybabel
mgltools-pyglf
mgltools-sff
mgltools-support
mgltools-viewerframework
mgltools-volume