def posts_from(response)
      response.fetch('posts', EMPTY_ARRAY).map do |post_hash|
        Post.from_hash(post_hash)
      end
    end
def posts_from(response)
      response.fetch('posts', EMPTY_ARRAY).map do |post_hash|
        Post.from_hash(post_hash)
      end
    end
Create Post objects from posts response

 @return [Array<Post>]

 @api private