DOC: fix docstring of DataFrame.to_latex, double curly braces to single

pandas/core/generic.py

@@ -3324,9 +3324,9 @@ def to_latex(
         r"""
         Render object to a LaTeX tabular, longtable, or nested table.
 
-        Requires ``\usepackage{{booktabs}}``.  The output can be copy/pasted
+        Requires ``\usepackage{booktabs}``.  The output can be copy/pasted
         into a main LaTeX document or read from an external file
-        with ``\input{{table.tex}}``.
+        with ``\input{table.tex}``.
 
         .. versionchanged:: 2.0.0
            Refactored to use the Styler implementation via jinja2 templating.
@@ -3344,13 +3344,13 @@ def to_latex(
             Write row names (index).
         na_rep : str, default 'NaN'
             Missing data representation.
-        formatters : list of functions or dict of {{str: function}}, optional
+        formatters : list of functions or dict of {str: function}, optional
             Formatter functions to apply to columns' elements by position or
             name. The result of each function must be a unicode string.
             List must be of length equal to the number of columns.
         float_format : one-parameter function or str, optional, default None
             Formatter for floating point numbers. For example
-            ``float_format="%.2f"`` and ``float_format="{{:0.2f}}".format`` will
+            ``float_format="%.2f"`` and ``float_format="{:0.2f}".format`` will
             both result in 0.1234 being formatted as 0.12.
         sparsify : bool, optional
             Set to False for a DataFrame with a hierarchical index to print
@@ -3367,7 +3367,7 @@ def to_latex(
             columns of numbers, which default to 'r'.
         longtable : bool, optional
             Use a longtable environment instead of tabular. Requires
-            adding a \usepackage{{longtable}} to your LaTeX preamble.
+            adding a \usepackage{longtable} to your LaTeX preamble.
             By default, the value will be read from the pandas config
             module, and set to `True` if the option ``styler.latex.environment`` is
             `"longtable"`.
@@ -3405,7 +3405,7 @@ def to_latex(
                default value to "r".
         multirow : bool, default True
             Use \multirow to enhance MultiIndex rows. Requires adding a
-            \usepackage{{multirow}} to your LaTeX preamble. Will print
+            \usepackage{multirow} to your LaTeX preamble. Will print
             centered labels (instead of top-aligned) across the contained
             rows, separating groups via clines. The default will be read
             from the pandas config module, and is set as the option
@@ -3416,15 +3416,15 @@ def to_latex(
                default value to `True`.
         caption : str or tuple, optional
             Tuple (full_caption, short_caption),
-            which results in ``\caption[short_caption]{{full_caption}}``;
+            which results in ``\caption[short_caption]{full_caption}``;
             if a single string is passed, no short caption will be set.
         label : str, optional
-            The LaTeX label to be placed inside ``\label{{}}`` in the output.
-            This is used with ``\ref{{}}`` in the main ``.tex`` file.
+            The LaTeX label to be placed inside ``\label{}`` in the output.
+            This is used with ``\ref{}`` in the main ``.tex`` file.
 
         position : str, optional
             The LaTeX positional argument for tables, to be placed after
-            ``\begin{{}}`` in the output.
+            ``\begin{}`` in the output.
 
         Returns
         -------