Upgrading to Netbeans 7.0 had a bunch of perks, my personal favorites being: the faster cold and warm start-up times, Git support, and (what seems like) faster C++ library refresh/load times. The down-side to this update was the lack of out-of-the-box Python support. Fortunately there is a quick fix for this.
From Wade Chandler, in response to Howto activate python in NB 7.0 on the netbeans forums:
You can use the dev auto update center. Python seems to still work though I'm a python newbie: http://deadlock.netbeans.org/hudson/job/nbms-and-javadoc/lastStableBuild/artifact/nbbuild/nbms/updates.xml.gz
So, from the main NetBeans IDE window menu bar: