{"push_id":1115349728,"size":1,"distinct_size":1,"ref":"refs/heads/sparse_isnull","head":"443b47e83be2191477f6a8530e06001f5da69ce0","before":"615e645a51d804615bcf836458a2802b1eb03c27","commits":[{"sha":"443b47e83be2191477f6a8530e06001f5da69ce0","author":{"email":"922ee68dc283b7adfcfe8f385886bf90cf1e9b60@gmail.com","name":"sinhrks"},"message":"BUG: Sparse creation with object dtype may raise TypeError","distinct":true,"url":"https://api.github.com/repos/sinhrks/pandas/commits/443b47e83be2191477f6a8530e06001f5da69ce0"}]}