Not all $ref's are being dereferenced

[oblakeerickson]

In this yml file the 'new_category.yml' schema reference isn't being dereferenced, but the response is.

swagger: '2.0'
info:
  title: 'Discourse API Documentation'
  description: |
    Documentation on how to use Discourse through API calls.
  version: latest
host: discourse.example.com
schemes:
  - https
basePath: /
produces:
  - application/json
paths:
  /categories.json:
    get:
      summary: Get a list of categories
      description: |
        The Categories endpoint returns a list of all the categories for
        your discourse site that you have access to.
      parameters: []
      tags:
        - Categories
      responses:
        '200':
          description: |
            A category_list object that contains an array of categories
          schema:
            $ref: 'definitions/categories/categories.yml'
    post:
      description: Create a new category
      parameters:
        - name: name
          in: body
          required: true
          schema:
            $ref: 'definitions/categories/new_category.yml'
      tags:
        - Categories
      responses:
        '200':
          description: category response
          schema:

[oblakeerickson]

I think it has to do with parameters being an array

parameters : [{"name"=>"name", "in"=>"body", "required"=>true, "schema"=>{"$ref"=>"definitions/categories/new_category.yml"}}]