Problem reported upstream: http://code.google.com/p/couchdb-python/issues/detail?id=82. Temporary fix: ebuild at http://hg.xavamedia.nl/portage/file/tip/dev-python/couchdb-python/couchdb-python-0.6-r1.ebuild and patch at http://hg.xavamedia.nl/portage/file/tip/dev-python/couchdb-python/files/0.6-noprint.patch. Reproducible: Always
Fixed.