errors.rb in api-client-1.5.4

- old
+ new

@@ -4,12 +4,12 @@
 class ApiClient::Errors < ActiveModel::Errors
   # Add serveral errors from a hash to the object.
   #
   # @return [ApiClient::Errors] The Error object.
   def add_errors(errors = {})
-    errors.each do |key, value|
-      self.set(key, value)
+    errors.each_pair do |key, value|
+      add(key, value)
     end
   end
 
   # Returns a unique message for each array of error messages in a hash.
   #
@@ -37,8 +37,8 @@
   #   person = Person.create(address: '123 First St.')
   #   person.errors.unique_message(:name) # => "is too short (minimum is 5 characters) and can't be blank"
   #   person.errors.unique_message(:address) # => nil
   def unique_message(attribute)
     return '' if messages[attribute].blank?
-    messages[attribute].to_sentence
+    [messages[attribute]].flatten.to_sentence
   end
 end