add psycopg2 to requirement
add psycopg2 to requirement

yongwen/makahiki,jtakayama/ics691-setupbooster,jtakayama/makahiki-draft,jtakayama/makahiki-draft,jtakayama/ics691-setupbooster,jtakayama/makahiki-draft,jtakayama/makahiki-draft,jtakayama/ics691-setupbooster,csdl/makahiki,csdl/makahiki,csdl/makahiki,csdl/makahiki,justinslee/Wai-Not-Makahiki,yongwen/makahiki,yongwen/makahiki,yongwen/makahiki