def class_attributes (classname):
""" locates various attributes defined in the row class """
- topmodule = __import__ ('PLC')
+ topmodule = __import__ ('PLC.%ss'%classname)
module = topmodule.__dict__['%ss'%classname]
# local row-like class, e.g. Node
row_class = module.__dict__['%s'%classname]