Add CHANGELOG, UPGRADING

Fix rubocop

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * [#2497](https://github.com/ruby-grape/grape/pull/2497): Update RuboCop to 1.66.1 - [@ericproulx](https://github.com/ericproulx).
 * [#2500](https://github.com/ruby-grape/grape/pull/2500): Remove deprecated `file` method - [@ericproulx](https://github.com/ericproulx).
+* [#2501](https://github.com/ruby-grape/grape/pull/2501): Remove deprecated `except` and `proc` options in values validator - [@ericproulx](https://github.com/ericproulx).
 * Your contribution here.
 
 #### Fixes

UPGRADING.md

@@ -8,7 +8,7 @@ Upgrading Grape
 - Deprecated `file` method has been removed. Use `send_file` or `stream`.
 See [#2500](https://github.com/ruby-grape/grape/pull/2500)
 
-- `except` and `proc` options has been removed from the `values` validator. Use `except validator` or assign `proc` directly to `values`
+- `except` and `proc` options have been removed from the `values` validator. Use `except validator` or assign `proc` directly to `values`.
 See [#2501](https://github.com/ruby-grape/grape/pull/2501)
 
 ### Upgrading to >= 2.2.0

lib/grape/validations/validators/values_validator.rb

@@ -19,12 +19,12 @@ def validate_param!(attr_name, params)
           # don't forget that +false.blank?+ is true
           return if val != false && val.blank? && @allow_blank
 
-          unless check_values?(val, attr_name)
-            raise Grape::Exceptions::Validation.new(
-              params: [@scope.full_name(attr_name)],
-              message: message(:values)
-            )
-          end
+          return if check_values?(val, attr_name)
+
+          raise Grape::Exceptions::Validation.new(
+            params: [@scope.full_name(attr_name)],
+            message: message(:values)
+          )
         end
 
         private