dataset.py
...
print '3: Read record from data set: %s' %
(str(rec_dict))
(line 1675)
self.next_record_num += number
should be
(indent) self.next_record_num += 1
reason: the self.next_record_num gives the in-memory
dataset's id for processing pairs of records, and should be
unique for every record read.
Logged In: YES
user_id=609262
Fixed for next release.