old_contents: import os
  from flask import (
      Blueprint,
      current_app,
      jsonify,
      request
  )
  
  from flask_jwt_extended import jwt_required
  
  from app.dao.articles_dao import (
      dao_create_article,
      dao_get_articles,
      dao_update_article,
      dao_get_article_by_id
  )
  from app.errors import register_errors
  
  from app.routes.articles.schemas import post_import_articles_schema
  
  from app.models import Article
  from app.schema_validation import validate
  
  articles_blueprint = Blueprint('articles', __name__)
  article_blueprint = Blueprint('article', __name__)
  register_errors(articles_blueprint)
  register_errors(article_blueprint)
  
  
  @articles_blueprint.route('/articles')
  @jwt_required
  def get_articles():
      current_app.logger.info('get_articles')
      articles = [a.serialize() if a else None for a in dao_get_articles()]
      return jsonify(articles)
  
  
  @articles_blueprint.route('/articles/summary')
  @jwt_required
  def get_articles_summary():
      current_app.logger.info('get_articles_summary')
      articles = [a.serialize_summary() if a else None for a in dao_get_articles()]
      return jsonify(articles)
  
  
  @article_blueprint.route('/articl/<uuid:article_id>', methods=['GET'])
  @jwt_required
  def get_article_by_id(article_id):
      current_app.logger.info('get_article: {}'.format(article_id))
      article = dao_get_article_by_id(article_id)
      return jsonify(article.serialize())
  
  
  @articles_blueprint.route('/articles/import', methods=['POST'])
  @jwt_required
  def import_articles():
      data = request.get_json(force=True)
  
      validate(data, post_import_articles_schema)
  
      articles = []
      errors = []
      for item in data:
          err = ''
          article = Article.query.filter(Article.old_id == item['id']).first()
          print(article)
          if not article:
              article = Article(
                  old_id=item['id'],
                  title=item['title'],
                  author=item['author'],
                  content=item['content'],
                  created_at=item['entrydate'] if item['entrydate'] != '0000-00-00' else None
              )
  
              articles.append(article)
              dao_create_article(article)
          else:
              err = u'article already exists: {} - {}'.format(article.old_id, article.title)
              current_app.logger.info(err)
              errors.append(err)
  
      res = {
          "articles": [a.serialize() for a in articles]
      }
  
      if errors:
          res['errors'] = errors
  
      return jsonify(res), 201 if articles else 400 if errors else 200
  
new_contents: import os
  from flask import (
      Blueprint,
      current_app,
      jsonify,
      request
  )
  
  from flask_jwt_extended import jwt_required
  
  from app.dao.articles_dao import (
      dao_create_article,
      dao_get_articles,
      dao_update_article,
      dao_get_article_by_id
  )
  from app.errors import register_errors
  
  from app.routes.articles.schemas import post_import_articles_schema
  
  from app.models import Article
  from app.schema_validation import validate
  
  articles_blueprint = Blueprint('articles', __name__)
  article_blueprint = Blueprint('article', __name__)
  register_errors(articles_blueprint)
  register_errors(article_blueprint)
  
  
  @articles_blueprint.route('/articles')
  @jwt_required
  def get_articles():
      current_app.logger.info('get_articles')
      articles = [a.serialize() if a else None for a in dao_get_articles()]
      return jsonify(articles)
  
  
  @articles_blueprint.route('/articles/summary')
  @jwt_required
  def get_articles_summary():
      current_app.logger.info('get_articles_summary')
      articles = [a.serialize_summary() if a else None for a in dao_get_articles()]
      return jsonify(articles)
  
  
  @article_blueprint.route('/article/<uuid:article_id>', methods=['GET'])
  @jwt_required
  def get_article_by_id(article_id):
      current_app.logger.info('get_article: {}'.format(article_id))
      article = dao_get_article_by_id(article_id)
      return jsonify(article.serialize())
  
  
  @articles_blueprint.route('/articles/import', methods=['POST'])
  @jwt_required
  def import_articles():
      data = request.get_json(force=True)
  
      validate(data, post_import_articles_schema)
  
      articles = []
      errors = []
      for item in data:
          err = ''
          article = Article.query.filter(Article.old_id == item['id']).first()
          print(article)
          if not article:
              article = Article(
                  old_id=item['id'],
                  title=item['title'],
                  author=item['author'],
                  content=item['content'],
                  created_at=item['entrydate'] if item['entrydate'] != '0000-00-00' else None
              )
  
              articles.append(article)
              dao_create_article(article)
          else:
              err = u'article already exists: {} - {}'.format(article.old_id, article.title)
              current_app.logger.info(err)
              errors.append(err)
  
      res = {
          "articles": [a.serialize() for a in articles]
      }
  
      if errors:
          res['errors'] = errors
  
      return jsonify(res), 201 if articles else 400 if errors else 200
  
subject: Fix article endoint typo