Sanity check for ticklabelsize()

Author: Ma-Fi-94

yaptool.py

@@ -419,6 +419,9 @@ def ticklabelsize(ax: plt.Axes, which: str = "both", size: float = 30) -> None:
     Returns:
         None
     """
+    if not which in ["x", "y", "xy", "yx", "both"]:
+        raise ValueError(
+            'Parameter which must be one of "x", "y", "xy", "yx", "both".')
 
     if not hasattr(ax, 'plot'):
         raise ValueError("Pass a valid plot in parameter ax.")