[ARROW-1066] remove warning on feather for pandas >= 0.20.1

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.4.1
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/16656
• Assignee: Jeff Reback
• Reporter: Jeff Reback
• Created: 24/May/17 11:45
• Updated: 11/Jan/23 07:12
• Resolved: 24/May/17 21:18

Description

In [9]: import pyarrow

In [10]: pyarrow._version_
Out[10]: '0.4.0'

In [11]: df = pd.DataFrame(

{'A':['foo']}

)

In [12]: df.to_feather('foo.fth')
/Users/jreback/miniconda3/envs/pandas/lib/python3.6/site-packages/pyarrow/feather.py:78: FutureWarning: pandas.lib is deprecated and will be removed in a future version.
You can access infer_dtype as pandas.api.types.infer_dtype
inferred_type = pd.lib.infer_dtype(col)

Resolved here:

https://github.com/apache/arrow/pull/715