In order to site-packages are made available to the PYTHON_DEFAULT_VERSION variable established is required running upgrade-site-packages target in lang/python as explained in /usr/ports/UPDATING (note 20110304):
If using portupgrade(1):
If using portmaster(8):
After upgrade, you can import feedparser module without problems.
If using portupgrade(1):
# cd /usr/ports/lang/python && make upgrade-site-packages
If using portmaster(8):
# cd /usr/ports/lang/python && make upgrade-site-packages -DUSE_PORTMASTER
After upgrade, you can import feedparser module without problems.