Phillip Cloud created ARROW-2157:

             Summary: Decimal arrays cannot be constructed from Python lists
                 Key: ARROW-2157
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 0.8.0
            Reporter: Phillip Cloud
            Assignee: Phillip Cloud
             Fix For: 0.9.0

In [14]: pa.array([Decimal('1')])
ArrowInvalid                              Traceback (most recent call last)
<ipython-input-14-458b6561866e> in <module>()
----> 1 pa.array([Decimal('1')])

array.pxi in pyarrow.lib.array()

array.pxi in pyarrow.lib._sequence_to_array()

error.pxi in pyarrow.lib.check_status()

ArrowInvalid: Error inferring Arrow data type for collection of Python objects. 
Got Python object of type Decimal but can only handle these types: bool, float, 
integer, date, datetime, bytes, unicode

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