input: 
  from typing import List, Dict
  from app.models.properties import Property
  
  def load_properties_from_fixture(fixture_file: str, fixture_folder: str) -> int:
      """
      Loads a JSON fixture file, extracts properties from it, creates Property objects from the properties, 
      and saves them to the database. Returns the number of Property objects saved.
      
      >>> load_properties_from_fixture('test_properties.json', 'models/fixtures')
      3
      >>> load_properties_from_fixture('empty_properties.json', 'models/fixtures')
      0
      """
      properties_to_save = []
      path = os.path.sep.join([get_path(), 'app', fixture_folder, fixture_file])
      with open(path) as file_:
          data = json.load(file_)
      properties = data['properties']
      for property_ in properties:
          property_.pop('id')
          properties_to_save.append(Property(**property_))
      Property.objects.insert(properties_to_save)
      return len(properties_to_save)
  
output:     
      import os
      import json
      from app.models.properties import Property
  
      properties_to_save = []
      path = os.path.sep.join([get_path(), 'app', fixture_folder, fixture_file])
      with open(path) as file_:
          data = json.load(file_)
      properties = data['properties']
      for property_ in properties:
          property_.pop('id')
          properties_to_save.append(Property(**property_))
      Property.objects.insert(properties_to_save)
      return len(properties_to_save)
  