Peter Otten added the comment:
The sniffer actually changes its "mind" in the fourth line:
Python 3.4.0 (default, Jun 19 2015, 14:20:21)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import csv
>>> csv.Sniffer().sniff("""\
... Invoice File,Credit Memo,Amount Claimed,Description,Invoice,Message,
... Sscanner ac15072911220.pdf,CM_15203,28714.32,MX Jan Feb,948198,,
... Sscanner ac15072911221.pdf,CM 16148,15600,MX Unkwon,948199,,
... """).delimiter
','
>>> csv.Sniffer().sniff("""\
... Invoice File,Credit Memo,Amount Claimed,Description,Invoice,Message,
... Sscanner ac15072911220.pdf,CM_15203,28714.32,MX Jan Feb,948198,,
... Sscanner ac15072911221.pdf,CM 16148,15600,MX Unkwon,948199,,
... Sscanner ac15072911230.pdf,CM 16148,33488,MX Cavalier,948200,Photos don't
match the invoice
... """).delimiter
'M'
That line has only 5 commas while all others have 6. Unfortunately all lines
contain exactly two "M"...
----------
nosy: +peter.otten
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Python tracker <[email protected]>
<http://bugs.python.org/issue24787>
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