Reformatting pyplot.py and putting the sci equivalency in the docstring area.

Author: pedrompecanha

lib/matplotlib/axes/_base.py

@@ -3245,6 +3245,7 @@ def ticklabel_format(self, *, axis='both', style=None, scilimits=None,
         style : {'sci', 'scientific', 'plain'} or None, default: None
             Whether to use scientific notation.
             The formatter default is to use scientific notation.
+            'sci' is equivalent to 'scientific'.
 
         scilimits : pair of ints (m, n)
             Scientific notation is used only for numbers outside the range
@@ -3285,7 +3286,6 @@ def ticklabel_format(self, *, axis='both', style=None, scilimits=None,
                 raise ValueError("scilimits must be a sequence of 2 integers"
                                  ) from err
         STYLES = {'sci': True, 'scientific': True, 'plain': False, '': None, None: None}
-        # 'sci' is equivalent to 'scientific'.
         # The '' option is included for backwards-compatibility.
         is_sci_style = _api.check_getitem(STYLES, style=style)
         axis_map = {**{k: [v] for k, v in self._axis_map.items()},