http://dev.splunk.com/view/python-sdk/SP-CAAAEE5
The document says:
By default, one-shot searches will return a maximum of 100 events, even if there are more than 100 events in the search results. To return more than 100 events, add the following parameter to your one-shot search's arguments:
"count": 0
The count parameter, when set to zero, indicates that there is no limit to the number of events to be returned.
Maybe you could try to modify your search query.
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