TYP: remove ignore from MPLPlot._plot (#40272)

pandas/plotting/_matplotlib/core.py

@@ -700,12 +700,8 @@ def _plot(cls, ax: Axes, x, y, style=None, is_errorbar: bool = False, **kwds):
                 kwds["yerr"] = np.array(kwds.get("yerr"))
             return ax.errorbar(x, y, **kwds)
         else:
-            # prevent style kwarg from going to errorbar, where it is
-            # unsupported
-            if style is not None:
-                args = (x, y, style)
-            else:
-                args = (x, y)  # type: ignore[assignment]
+            # prevent style kwarg from going to errorbar, where it is unsupported
+            args = (x, y, style) if style is not None else (x, y)
             return ax.plot(*args, **kwds)
 
     def _get_index_name(self) -> Optional[str]: