old_contents: from eve.auth import requires_auth
  from flask import Blueprint, request, render_template, Response, make_response
  from flask_weasyprint import HTML, render_pdf
  from lazy_object_proxy import identity
  
  from ereuse_devicehub.exceptions import WrongQueryParam
  from ereuse_devicehub.header_cache import header_cache
  from ereuse_devicehub.rest import execute_get
  
  """
  The documents blueprint offers several documents (in PDF format for example)
  related to the resources in DeviceHub.
  
  This module uses Weasyprint to generate PDFs. See static/style.css for more info.
  """
  documents = Blueprint('Documents', __name__, template_folder='templates',
                        static_folder='static', static_url_path='/documents/static')
  
  
  def generate_document(template: str, filename: str) -> Response:
      """Generates the document in PDF (default) or HTML if argument debug is True."""
      if request.args.get('debug', False, bool):
          response = make_response(template)  # HTML
      else:
          response = render_pdf(HTML(string=template), download_filename=filename)  # PDF
      return response
  
  
  @documents.route('/<db>/documents/delivery-note')
  @header_cache(expires=None)
  def delivery_note(db: str) -> Response:
      """
      Gets a PDF containing a delivery note for the passed-in devices.
      :param db:
      :arg ids: A list of device ids.
      """
      requires_auth('resource')(identity)('devices')
      ids = request.args.getlist('ids')
      if not ids:
          raise WrongQueryParam('ids', 'Send some device ids.')
      query_params = {
          'where': {'_id': {'$in': ids}},
          'embedded': {'tests': 1, 'erasures': 1}
      }
      template_params = {
          'title': 'Delivery note',
          'devices': execute_get(db + '/devices', params=query_params)['_items'],
          'fields': (
              {'path': '_id', 'name': 'System ID'},
              {'path': '@type', 'name': 'Type'},
              {'path': 'serialNumber', 'name': 'S/N'},
          )
      }
      template = render_template('documents/delivery_note.html', **template_params)
      return generate_document(template, filename='delivery note.pdf')
  
new_contents: from eve.auth import requires_auth
  from flask import Blueprint, request, render_template, Response, make_response
  from flask_weasyprint import HTML, render_pdf
  from pydash import identity
  
  from ereuse_devicehub.exceptions import WrongQueryParam
  from ereuse_devicehub.header_cache import header_cache
  from ereuse_devicehub.rest import execute_get
  
  """
  The documents blueprint offers several documents (in PDF format for example)
  related to the resources in DeviceHub.
  
  This module uses Weasyprint to generate PDFs. See static/style.css for more info.
  """
  documents = Blueprint('Documents', __name__, template_folder='templates',
                        static_folder='static', static_url_path='/documents/static')
  
  
  def generate_document(template: str, filename: str) -> Response:
      """Generates the document in PDF (default) or HTML if argument debug is True."""
      if request.args.get('debug', False, bool):
          response = make_response(template)  # HTML
      else:
          response = render_pdf(HTML(string=template), download_filename=filename)  # PDF
      return response
  
  
  @documents.route('/<db>/documents/delivery-note')
  @header_cache(expires=None)
  def delivery_note(db: str) -> Response:
      """
      Gets a PDF containing a delivery note for the passed-in devices.
      :param db:
      :arg ids: A list of device ids.
      """
      requires_auth('resource')(identity)('devices')
      ids = request.args.getlist('ids')
      if not ids:
          raise WrongQueryParam('ids', 'Send some device ids.')
      query_params = {
          'where': {'_id': {'$in': ids}},
          'embedded': {'tests': 1, 'erasures': 1}
      }
      template_params = {
          'title': 'Delivery note',
          'devices': execute_get(db + '/devices', params=query_params)['_items'],
          'fields': (
              {'path': '_id', 'name': 'System ID'},
              {'path': '@type', 'name': 'Type'},
              {'path': 'serialNumber', 'name': 'S/N'},
          )
      }
      template = render_template('documents/delivery_note.html', **template_params)
      return generate_document(template, filename='delivery note.pdf')
  
subject: Fix wrong import