def _norm_siteconfig_value(siteconfig, key):
 value = siteconfig.get(key)
 if (value in (u'""', u"''", None)):
  value = u''
 return value

def _norm_siteconfig_value ( siteconfig , key ) : value = siteconfig . get ( key ) if ( value in ( u'""' , u"''" , None ) ) : value = u'' return value
normalize site configuration values to strip extra quotation marks .