No, if package dependencies are not fullfilled, no...You need to upgrade python version...
Try to see if there is a newer python version in repos: aptitude versions python
If so, then just upgrade the python: aptitude safe-upgrade python
If not in repos, you need to upgrade the python version.
In the Debain page where you downloaded (nice desicion), it is stated the python versions required: I quote:
python >= 2.6.6-7 and << 2.8 so in between versions: python 2.6 and 2.7
In BT5 you have 2.6.5-0ubuntu1..So again if not in repos, download the package from Debian page which also will state dependencies to that python version.