[BioC] Problem loading affy using a saved workspace

[Vincent Carey 525-2265]

> this type of error has occured to me when the definition of a class
> changes and an object created that was create to an old definition exists.

we settled this off-line.  the problem seems to be that
james' exprSet was named exprs.  this name conflicts
with the generic accessor name...  when he renamed the error went away

> vince, hasthe definition of exprSet changed? james, what version did you use to

not to my knowledge