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v0.17.1.txt
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.. _whatsnew_0171:
v0.17.1 (November ??, 2015)
---------------------------
This is a minor bug-fix release from 0.17.0 and includes a a large number of
bug fixes along several new features, enhancements, and performance improvements.
We recommend that all users upgrade to this version.
Highlights include:
.. contents:: What's new in v0.17.1
:local:
:backlinks: none
.. _whatsnew_0171.enhancements:
Enhancements
~~~~~~~~~~~~
- Support for ``compression`` (gzip/bz2) in :method:`DataFrame.to_csv` (:issue:`7615`)
.. _whatsnew_0171.enhancements.other:
- Improve the error message in :func:`pandas.io.gbq.to_gbq` when a streaming insert fails (:issue:`11285`)
Other Enhancements
^^^^^^^^^^^^^^^^^^
.. _whatsnew_0171.api:
API changes
~~~~~~~~~~~
- min and max reductions on ``datetime64`` and ``timedelta64`` dtyped series now
result in ``NaT`` and not ``nan`` (:issue:`11245`).
- Regression from 0.16.2 for output formatting of long floats/nan, restored in (:issue:`11302`)
- Prettyprinting sets (e.g. in DataFrame cells) now uses set literal syntax (``{x, y}``) instead of
Legacy Python syntax (``set([x, y])``) (:issue:`11215`)
.. _whatsnew_0171.deprecations:
Deprecations
^^^^^^^^^^^^
- The ``pandas.io.ga`` module which implements ``google-analytics`` support is deprecated and will be removed in a future version (:issue:`11308`)
- Deprecate the ``engine`` keyword from ``.to_csv()``, which will be removed in a future version (:issue:`11274`)
.. _whatsnew_0171.performance:
Performance Improvements
~~~~~~~~~~~~~~~~~~~~~~~~
.. _whatsnew_0171.bug_fixes:
Bug Fixes
~~~~~~~~~
- Bug in ``.to_latex()`` output broken when the index has a name (:issue: `10660`)
- Bug in ``HDFStore.append`` with strings whose encoded length exceded the max unencoded length (:issue:`11234`)
- Bug in ``HDFStore.select`` when comparing with a numpy scalar in a where clause (:issue:`11283`)
- Bug in tz-conversions with an ambiguous time and ``.dt`` accessors (:issues:`11295`)
- Bug in list-like indexing with a mixed-integer Index (:issue:`11320`)
- Bug in ``squeeze()`` with zero length arrays (:issue:`11230`, :issue:`8999`)
- Bug in ``DataFrame.to_latex()`` produces an extra rule when ``header=False`` (:issue:`7124`)
- Bugs in ``to_excel`` with duplicate columns (:issue:`11007`, :issue:`10982`, :issue:`10970`)
- Fixed a bug that prevented the construction of an empty series of dtype
``datetime64[ns, tz]`` (:issue:`11245`).