Removed redundant forms.DecimalField.validate() in favor of DecimalValidator.

django/core/validators.py

@@ -438,7 +438,7 @@ class DecimalValidator:
     def __call__(self, value):
         digit_tuple, exponent = value.as_tuple()[1:]
         if exponent in {'F', 'n', 'N'}:
-            raise ValidationError(self.messages['invalid'])
+            raise ValidationError(self.messages['invalid'], code='invalid')
         if exponent >= 0:
             # A positive exponent adds that many trailing zeros.
             digits = len(digit_tuple) + exponent

django/forms/fields.py

@@ -350,13 +350,6 @@ class DecimalField(IntegerField):
             raise ValidationError(self.error_messages['invalid'], code='invalid')
         return value
 
-    def validate(self, value):
-        super().validate(value)
-        if value in self.empty_values:
-            return
-        if not value.is_finite():
-            raise ValidationError(self.error_messages['invalid'], code='invalid')
-
     def widget_attrs(self, widget):
         attrs = super().widget_attrs(widget)
         if isinstance(widget, NumberInput) and 'step' not in widget.attrs: