lib/phlexi/form/structure/namespace_collection.rb in phlexi-form-0.5.6 vs lib/phlexi/form/structure/namespace_collection.rb in phlexi-form-0.5.7

@@ -3,13 +3,16 @@
 module Phlexi
   module Form
     module Structure
       class NamespaceCollection < Phlexi::Field::Structure::NamespaceCollection
         include Phlexi::Form::Structure::ManagesFields
-        
+
         def extract_input(params)
-          namespace = build_namespace(0)
-          @block.call(namespace)
+          namespace = namespaces[0]
+          unless namespace
+            build_namespace(0)
+            @block.call(namespace)
+          end
 
           params = params[key]
           params = params.values if params.is_a?(Hash)
           inputs = params.map { |param| namespace.extract_input([param]) }
           {key => inputs}