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Copy file name to clipboardExpand all lines: doc/source/whatsnew/v0.17.1.txt
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- Support for Conditional HTML Formatting, see :ref:`here <whatsnew_0171.style>`
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- Releasing the GIL on the csv reader & other ops, see :ref:`here <whatsnew_0171.performance>`
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- Regression in ``DataFrame.drop_duplicates`` from 0.16.2, causing incorrect results on integer values (:issue:`11376`)
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- Fixed regression in ``DataFrame.drop_duplicates`` from 0.16.2, causing incorrect results on integer values (:issue:`11376`)
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.. contents:: What's new in v0.17.1
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:local:
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- ``DatetimeIndex`` now supports conversion to strings with ``astype(str)`` (:issue:`10442`)
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- Support for ``compression`` (gzip/bz2) in :meth:`pandas.DataFrame.to_csv` (:issue:`7615`)
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- Improve the error message in :func:`pandas.io.gbq.to_gbq` when a streaming insert fails (:issue:`11285`)
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- ``pd.read_*`` functions can now also accept :class:`python:pathlib.Path`, or :class:`py:py._path.local.LocalPath`
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objects for the ``filepath_or_buffer`` argument. (:issue:`11033`)
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- The ``DataFrame`` and ``Series`` functions ``.to_csv()``, ``.to_html()`` and ``.to_latex()`` can now handle paths beginning with tildes (e.g. ``~/Documents/``) (:issue:`11438`)
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- ``DataFrame`` now uses the fields of a ``namedtuple`` as columns, if columns are not supplied (:issue:`11181`)
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- Improve the error message displayed in :func:`pandas.io.gbq.to_gbq` when the DataFrame does not match the schema of the destination table (:issue:`11359`)
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- ``DataFrame.itertuples()`` now returns ``namedtuple`` objects, when possible. (:issue:`11269`, :issue:`11625`)
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- Added ``axvlines_kwds`` to parallel coordinates plot (:issue:`10709`)
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- Option to ``.info()`` and ``.memory_usage()`` to provide for deep introspection of memory consumption. Note that this can be expensive to compute and therefore is an optional parameter. (:issue:`11595`)
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- ``pivot_table`` now has a ``margins_name`` argument so you can use something other than the default of 'All' (:issue:`3335`)
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- Implement export of ``datetime64[ns, tz]`` dtypes with a fixed HDF5 store (:issue:`11411`)
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- The ``DataFrame`` and ``Series`` functions ``.to_csv()``, ``.to_html()`` and ``.to_latex()`` can now handle paths beginning with tildes (e.g. ``~/Documents/``). (:issue:`11438`)
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- Pretty printing sets (e.g. in DataFrame cells) now uses set literal syntax (``{x, y}``) instead of
- Indexing with a null key will raise a ``TypeError``, instead of a ``ValueError`` (:issue:`11356`)
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- ``Series.sort_index()`` now correctly handles the ``inplace`` option (:issue:`11402`)
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- ``SparseArray.__iter__()`` now does not cause ``PendingDeprecationWarning`` in Python 3.5 (:issue:`11622`)
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- ``DataFrame.itertuples()`` now returns ``namedtuple`` objects, when possible. (:issue:`11269`, :issue:`11625`)
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- ``Series.ptp`` will now ignore missing values by default (:issue:`11163`)
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.. _whatsnew_0171.deprecations:
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Bug Fixes
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~~~~~~~~~
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- ``SparseArray.__iter__()`` now does not cause ``PendingDeprecationWarning`` in Python 3.5 (:issue:`11622`)
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- Regression from 0.16.2 for output formatting of long floats/nan, restored in (:issue:`11302`)
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- ``Series.sort_index()`` now correctly handles the ``inplace`` option (:issue:`11402`)
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- Incorrectly distributed .c file in the build on ``PyPi`` when reading a csv of floats and passing ``na_values=<a scalar>`` would show an exception (:issue:`11374`)
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- Bug in ``.to_latex()`` output broken when the index has a name (:issue:`10660`)
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- Bug in ``HDFStore.append`` with strings whose encoded length exceded the max unencoded length (:issue:`11234`)
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