old_contents: from sanic import Sanic
  from sanic import Blueprint
  from sanic.response import json, text
  
  
  app = Sanic(__name__)
  blueprint = Blueprint('name', url_prefix='/my_blueprint')
  blueprint2 = Blueprint('name', url_prefix='/my_blueprint2')
  
  
  @blueprint.route('/foo')
  async def foo(request):
      return json({'msg': 'hi from blueprint'})
  
  
  @blueprint2.route('/foo')
  async def foo2(request):
      return json({'msg': 'hi from blueprint2'})
  
  
  app.register_blueprint(blueprint)
  app.register_blueprint(blueprint2)
  
  app.run(host="0.0.0.0", port=8000, debug=True)
  
new_contents: from sanic import Sanic
  from sanic import Blueprint
  from sanic.response import json, text
  
  
  app = Sanic(__name__)
  blueprint = Blueprint('name', url_prefix='/my_blueprint')
  blueprint2 = Blueprint('name', url_prefix='/my_blueprint2')
  
  
  @blueprint.route('/foo')
  async def foo(request):
      return json({'msg': 'hi from blueprint'})
  
  
  @blueprint2.route('/foo')
  async def foo2(request):
      return json({'msg': 'hi from blueprint2'})
  
  
  app.blueprint(blueprint)
  app.blueprint(blueprint2)
  
  app.run(host="0.0.0.0", port=8000, debug=True)
  
subject: use blueprint method instead of deprecated register_blueprint