mirror of
https://github.com/wassname/catalyst.git
synced 2026-08-13 12:00:16 +08:00
Maya Tydykov
6b60e447a0
STY: remove unused imports MAINT: change dtype to object for compatibility with python3 MAINT: rename pipeline columns and constants for clarity MAINT: rename column
22 lines
592 B
Python
22 lines
592 B
Python
"""
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Datasets representing dates of recently announced buyback authorizations.
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"""
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from zipline.utils.numpy_utils import (
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datetime64ns_dtype,
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float64_dtype,
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categorical_dtype
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)
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from .dataset import Column, DataSet
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class BuybackAuthorizations(DataSet):
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"""
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Dataset representing dates of recently announced cash buyback
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authorizations.
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"""
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previous_amount = Column(float64_dtype)
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previous_date = Column(datetime64ns_dtype)
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previous_unit = Column(categorical_dtype, missing_value=None)
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previous_type = Column(categorical_dtype, missing_value=None)
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