[spambayes-bugs] [ spambayes-Bugs-797890 ] Assertion errors from classifier for new messages

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Bugs item #797890, was opened at 2003-08-30 12:37
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https://sourceforge.net/tracker/?func=detail&atid=498103&aid=797890&group_id=61702

Category: pop3proxy
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Anderson J. Vitous (avitous)
Assigned to: Nobody/Anonymous (nobody)
Summary: Assertion errors from classifier for new messages

Initial Comment:
Installed from CVS latest version as of 8/30/03 (1.0a4 
wouldn't work for me so reinstalled).  Python version is 2.
2.3 on Windows XP with latest pybsddb installed.  Trained 
with recent spam/ham collections (about equal numbers 
of messages, approx. 400 each), configured proxy.  Using 
Mahogany mail client pointed to pop3proxy (localhost).

Each new message retrieved results in an assertion 
failure:

AssertionError
Traceback (most recent call last):
  File "D:\apps\spambayes\pop3proxy.py", line 439, in 
onRetr
    evidence=True)
  File "D:\apps\spambayes\spambayes\classifier.py", line 
223, in chi2_spamprob
    clues = self._getclues(wordstream)
  File "D:\apps\spambayes\spambayes\classifier.py", line 
451, in _getclues
    prob = self.probability(record)
  File "D:\apps\spambayes\spambayes\classifier.py", line 
307, in probability
    assert hamcount <= nham

(from console running pop3proxy.py)

Also inserted into headers of each message:
X-Spambayes-Exception: exceptions.AssertionError() in 
probability() at
	D:\apps\spambayes\spambayes\classifier.py line 
307: assert
	hamcount <= nham


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