DB upgrade tracebacks

Hello,

arch linux, trunk r2192

[andreas@andylaptop trunk]$ python2 scripts/check_dependencies.py
  Python >= 2.6 ... 2.7.3.final.0
Checking for modules...
  PyQt4... OK
  PyQt4.QtCore... OK
  PyQt4.QtGui... OK
  PyQt4.QtNetwork... OK
  PyQt4.QtOpenGL... OK
  PyQt4.QtSvg... OK
  PyQt4.QtTest... OK
  PyQt4.QtWebKit... OK
  PyQt4.phonon... OK
  sqlalchemy... OK
  sqlite3... OK
  lxml... OK
  chardet... OK
  enchant... OK
  BeautifulSoup... OK
  mako... OK
  migrate... OK
  uno... OK
Checking for optional modules...
  sqlite (SQLite 2 support)... OK
  MySQLdb (MySQL support)... FAIL
  psycopg2 (PostgreSQL support)... FAIL
  nose (testing framework)... OK
Verifying version of modules...
  PyQt4 >= 4.6 ... 4.9.6
  Qt4 >= 4.6 ... 4.8.4
  sqlalchemy >= 0.5 ... 0.7.9
  enchant >= 1.3 ... 1.6.5
Qt4 image formats...
  read: bmp, gif, ico, jpeg, jpg, mng, pbm, pgm, png, ppm, svg, svgz, tga, tif, tiff, xbm, xpm
  write: bmp, ico, jpeg, jpg, png, ppm, tif, tiff, xbm, xpm
Enchant (spell checker)...
  available backends: hspell, myspell, aspell
  available languages: he, de_AT, de_CH, de_DE, en, en_CA, en_GB, en_US

There are a few tracebacks logged: http://pastebin.com/ehVUGMXs

Steps to reproduce:
1) delete your data folder
2) start OpenLP
3) close OpenLP
4) start OpenLP again