DOC: fix EX02 errors in docstrings (pandas-dev#51529)

Author: natmokval

ci/code_checks.sh

@@ -580,10 +580,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.api.types.is_sparse \
         pandas.api.types.is_string_dtype \
         pandas.api.types.is_unsigned_integer_dtype \
-        pandas.io.formats.style.Styler.concat \
-        pandas.io.formats.style.Styler.export \
-        pandas.io.formats.style.Styler.set_td_classes \
-        pandas.io.formats.style.Styler.use \
         pandas.plotting.andrews_curves \
         pandas.plotting.autocorrelation_plot \
         pandas.plotting.lag_plot \

pandas/io/formats/style.py

@@ -332,7 +332,7 @@ def concat(self, other: Styler) -> Styler:
         A common use case is adding totals rows, or otherwise, via methods calculated
         in ``DataFrame.agg``.
 
-        >>> df = DataFrame([[4, 6], [1, 9], [3, 4], [5, 5], [9,6]],
+        >>> df = pd.DataFrame([[4, 6], [1, 9], [3, 4], [5, 5], [9,6]],
         ...                columns=["Mike", "Jim"],
         ...                index=["Mon", "Tue", "Wed", "Thurs", "Fri"])
         >>> styler = df.style.concat(df.agg(["sum"]).style)  # doctest: +SKIP
@@ -359,7 +359,8 @@ def concat(self, other: Styler) -> Styler:
         When ``other`` has fewer index levels than the original Styler it is possible
         to extend the index in ``other``, with placeholder levels.
 
-        >>> df = DataFrame([[1], [2]], index=pd.MultiIndex.from_product([[0], [1, 2]]))
+        >>> df = pd.DataFrame([[1], [2]],
+        ...             index=pd.MultiIndex.from_product([[0], [1, 2]]))
         >>> descriptors = df.agg(["sum"])
         >>> descriptors.index = pd.MultiIndex.from_product([[""], descriptors.index])
         >>> df.style.concat(descriptors.style)  # doctest: +SKIP
@@ -1463,6 +1464,7 @@ def set_td_classes(self, classes: DataFrame) -> Styler:
 
         Form of the output with new additional css classes,
 
+        >>> from pandas.io.formats.style import Styler
         >>> df = pd.DataFrame([[1]])
         >>> css = pd.DataFrame([["other-class"]])
         >>> s = Styler(df, uuid="_", cell_ids=False).set_td_classes(css)
@@ -2067,8 +2069,8 @@ def export(self) -> dict[str, Any]:
         Examples
         --------
 
-        >>> styler = DataFrame([[1, 2], [3, 4]]).style
-        >>> styler2 = DataFrame([[9, 9, 9]]).style
+        >>> styler = pd.DataFrame([[1, 2], [3, 4]]).style
+        >>> styler2 = pd.DataFrame([[9, 9, 9]]).style
         >>> styler.hide(axis=0).highlight_max(axis=1)  # doctest: +SKIP
         >>> export = styler.export()
         >>> styler2.use(export)  # doctest: +SKIP
@@ -2119,8 +2121,8 @@ def use(self, styles: dict[str, Any]) -> Styler:
         Examples
         --------
 
-        >>> styler = DataFrame([[1, 2], [3, 4]]).style
-        >>> styler2 = DataFrame([[9, 9, 9]]).style
+        >>> styler = pd.DataFrame([[1, 2], [3, 4]]).style
+        >>> styler2 = pd.DataFrame([[9, 9, 9]]).style
         >>> styler.hide(axis=0).highlight_max(axis=1)  # doctest: +SKIP
         >>> export = styler.export()
         >>> styler2.use(export)  # doctest: +SKIP