Commitb16b052

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return none if xpath extraction returns empty list

1 parentf8de58e commitb16b052Copy full SHA for b16b052

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Original file line number	Diff line number	Diff line change
`@@ -84,6 +84,8 @@ def _extract_selector(self, field_config, parent_parser):`
`84`	`84`	`else:`
`85`	`85`	`elements=parent_parser.css(field_config['css'])`
`86`	`86`	`item_type=field_config.get('type','Text')`
	`87`	`+ifnotelements:`
	`88`	`+returnNone`
`87`	`89`	`values= []`
`88`	`90`
`89`	`91`	`forelementinelements:`

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