[PonyORM-list] Error on wrong line

[Goldberg, Arthur P]

Hi guys

 Generally, pony has been great. Thanks!

However I think this is a bug. I ran the attached program, and it generates this call stack. The error is reported in line 202 but it is actually in line 203.  I know that the ID in 203 overrides the db.entity class of that name, but I would think that the error does not exist until line 203.

Traceback (most recent call last):
  File "../geneticsSubjects.py", line 212, in <module>
    dumpIDs()
  File "<auto generated wrapper of dumpIDs() function>", line 2, in dumpIDs
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pony/orm/core.py", line 345, in new_func
    try: return func(*args, **kwargs)
  File "../geneticsSubjects.py", line 202, in dumpIDs
    print( ID.__header__() )
UnboundLocalError: local variable 'ID' referenced before assignment



 Also, I have a documentation suggestion.for example, your documentation  says:

for p in select(p for p in Product):
    print p.name, p.price

 whereas it  is more convenient to say:

for p in Product.select():



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