Change to _validate

Author: seisman

pygmt/params/base.py

@@ -51,9 +51,9 @@ def __post_init__(self):
         """
         Post-initialization method to _validate the _aliases property.
         """
-        self.validate()
+        self._validate()
 
-    def validate(self):
+    def _validate(self):
         """
         Validate the parameters of the object.
 

pygmt/params/box.py

@@ -81,7 +81,7 @@ class Box(BaseParam):
     shading_offset: Sequence[float | str] | None = None
     shading_fill: str | None = None
 
-    def validate(self):
+    def _validate(self):
         """
         Validate the parameters.
         """