Attempting to fix pyplot.py by hand, although this is not encouraged.

pedrompecanha · pedrompecanha · commit 558b2d843dcc · 2023-09-19T10:05:45.000-03:00
diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -3953,7 +3953,7 @@ def tick_params(axis: Literal["both", "x", "y"] = "both", **kwargs) -> None:
 def ticklabel_format(
     *,
     axis: Literal["both", "x", "y"] = "both",
-    style: Literal["", "sci", "scientific", "plain"] = "",
+    style: Literal["", "sci", "scientific", "plain"] | None = None
     scilimits: tuple[int, int] | None = None,
     useOffset: bool | float | None = None,
     useLocale: bool | None = None,
