fix(doc): rm excessive backtick

Author: mattwang44

doc/source/whatsnew/v0.4.x.rst

@@ -11,7 +11,7 @@ New features
 - Added Python 3 support using 2to3 (:issue:`200`)
 - :ref:`Added <dsintro.name_attribute>` ``name`` attribute to ``Series``, now
   prints as part of ``Series.__repr__``
-- :meth:`Series.isnull`` and :meth:`Series.notnull` (:issue:`209`, :issue:`203`)
+- :meth:`Series.isnull` and :meth:`Series.notnull` (:issue:`209`, :issue:`203`)
 - :ref:`Added <basics.align>` ``Series.align`` method for aligning two series
   with choice of join method (ENH56_)
 - :ref:`Added <advanced.get_level_values>` method ``get_level_values`` to

doc/source/whatsnew/v2.0.0.rst

@@ -984,7 +984,7 @@ Removal of prior version deprecations/changes
 - Removed :meth:`Series.str.__iter__` (:issue:`28277`)
 - Removed ``pandas.SparseArray`` in favor of :class:`arrays.SparseArray` (:issue:`30642`)
 - Removed ``pandas.SparseSeries`` and ``pandas.SparseDataFrame``, including pickle support. (:issue:`30642`)
-- Enforced disallowing passing an integer ``fill_value`` to :meth:`DataFrame.shift` and :meth:`Series.shift`` with datetime64, timedelta64, or period dtypes (:issue:`32591`)
+- Enforced disallowing passing an integer ``fill_value`` to :meth:`DataFrame.shift` and :meth:`Series.shift` with datetime64, timedelta64, or period dtypes (:issue:`32591`)
 - Enforced disallowing a string column label into ``times`` in :meth:`DataFrame.ewm` (:issue:`43265`)
 - Enforced disallowing passing ``True`` and ``False`` into ``inclusive`` in :meth:`Series.between` in favor of ``"both"`` and ``"neither"`` respectively (:issue:`40628`)
 - Enforced disallowing using ``usecols`` with out of bounds indices for ``read_csv`` with ``engine="c"`` (:issue:`25623`)
@@ -1045,7 +1045,7 @@ Removal of prior version deprecations/changes
 - Enforced deprecation of silently dropping columns that raised a ``TypeError`` in :class:`Series.transform` and :class:`DataFrame.transform` when used with a list or dictionary (:issue:`43740`)
 - Changed behavior of :meth:`DataFrame.apply` with list-like so that any partial failure will raise an error (:issue:`43740`)
 - Changed behaviour of :meth:`DataFrame.to_latex` to now use the Styler implementation via :meth:`.Styler.to_latex` (:issue:`47970`)
-- Changed behavior of :meth:`Series.__setitem__` with an integer key and a :class:`Float64Index` when the key is not present in the index; previously we treated the key as positional (behaving like ``series.iloc[key] = val``), now we treat it is a label (behaving like ``series.loc[key] = val``), consistent with :meth:`Series.__getitem__`` behavior (:issue:`33469`)
+- Changed behavior of :meth:`Series.__setitem__` with an integer key and a :class:`Float64Index` when the key is not present in the index; previously we treated the key as positional (behaving like ``series.iloc[key] = val``), now we treat it is a label (behaving like ``series.loc[key] = val``), consistent with :meth:`Series.__getitem__` behavior (:issue:`33469`)
 - Removed ``na_sentinel`` argument from :func:`factorize`, :meth:`.Index.factorize`, and :meth:`.ExtensionArray.factorize` (:issue:`47157`)
 - Changed behavior of :meth:`Series.diff` and :meth:`DataFrame.diff` with :class:`ExtensionDtype` dtypes whose arrays do not implement ``diff``, these now raise ``TypeError`` rather than casting to numpy (:issue:`31025`)
 - Enforced deprecation of calling numpy "ufunc"s on :class:`DataFrame` with ``method="outer"``; this now raises ``NotImplementedError`` (:issue:`36955`)

doc/source/whatsnew/v2.0.3.rst

@@ -13,7 +13,7 @@ including other versions of pandas.
 
 Fixed regressions
 ~~~~~~~~~~~~~~~~~
-- Bug in :meth:`Timestamp.weekday`` was returning incorrect results before ``'0000-02-29'`` (:issue:`53738`)
+- Bug in :meth:`Timestamp.weekday` was returning incorrect results before ``'0000-02-29'`` (:issue:`53738`)
 - Fixed performance regression in merging on datetime-like columns (:issue:`53231`)
 - Fixed regression when :meth:`DataFrame.to_string` creates extra space for string dtypes (:issue:`52690`)
 

doc/source/whatsnew/v2.1.0.rst

@@ -721,7 +721,7 @@ Conversion
 Strings
 ^^^^^^^
 - Bug in :meth:`Series.str` that did not raise a  ``TypeError`` when iterated (:issue:`54173`)
-- Bug in ``repr`` for :class:`DataFrame`` with string-dtype columns (:issue:`54797`)
+- Bug in ``repr`` for :class:`DataFrame` with string-dtype columns (:issue:`54797`)
 
 Interval
 ^^^^^^^^

doc/source/whatsnew/v3.0.0.rst

@@ -784,7 +784,7 @@ MultiIndex
 
 I/O
 ^^^
-- Bug in :class:`DataFrame` and :class:`Series` ``repr`` of :py:class:`collections.abc.Mapping`` elements. (:issue:`57915`)
+- Bug in :class:`DataFrame` and :class:`Series` ``repr`` of :py:class:`collections.abc.Mapping` elements. (:issue:`57915`)
 - Bug in :meth:`.DataFrame.to_json` when ``"index"`` was a value in the :attr:`DataFrame.column` and :attr:`Index.name` was ``None``. Now, this will fail with a ``ValueError`` (:issue:`58925`)
 - Bug in :meth:`.io.common.is_fsspec_url` not recognizing chained fsspec URLs (:issue:`48978`)
 - Bug in :meth:`DataFrame._repr_html_` which ignored the ``"display.float_format"`` option (:issue:`59876`)