{"push_id":819118168,"size":2,"distinct_size":1,"ref":"refs/heads/use-expiration-or-notice-date","head":"528ac7c2f782b0a1e70b60ce4b8b298db3621b87","before":"3f861f059698ff51171f69b23ab6ad993e7c0c12","commits":[{"sha":"3feb78807e77902c63ae684362fff36387149535","author":{"email":"673cbd5ea979ae012c1b3912dd07be9e55c3c9d5@quantopian.com","name":"Stewart Douglas"},"message":"MAINT: Add license to various files","distinct":false,"url":"https://api.github.com/repos/quantopian/zipline/commits/3feb78807e77902c63ae684362fff36387149535"},{"sha":"528ac7c2f782b0a1e70b60ce4b8b298db3621b87","author":{"email":"2164aaf0beb2c362a034abffe9278b2e349f6320@quantopian.com","name":"Andrew Daniels"},"message":"MAINT: Improves handling for contract date info to lookup_future_chain\n\nImproves the query for futures contract to use the date that comes first\nin time (between notice_date and expiration_date) to determine cotnract\nvalidity. If one of these is missing, we'll use the other.\n\nAlso modifies the query to order the resulting contracts by their\nexpiration_date if available, and to use their notice_date if not.","distinct":true,"url":"https://api.github.com/repos/quantopian/zipline/commits/528ac7c2f782b0a1e70b60ce4b8b298db3621b87"}]}