get an AssertionError: View function mapping is overwriting an existing endpoint function: resources.courses

from flask import jsonify, Blueprint

from flask_restful import Resource, Api

import models

class CourseList(Resource):
    def get(self):
        return jsonify({"courses" : [{"title": "Python Basics"}]})


class Course(Resource):
    def get(self, id):
        return jsonify({"title": "Python Basics"})

    def put(self, id):
        return jsonify({"title": "Python Basics"})

    def delete(self, id):
        return jsonify({"title": "Python Basics"})

courses_api = Blueprint('resources.courses', __name__,)
api = Api(courses_api)
api.add_resource(
    CourseList,
    '/api/v1/courses',
    endpoint = 'courses'
)
api.add_resource(
    Course,
    '/api/v1/courses/<int:id>',
    endpoint = 'courses'
)

from flask import Flask

import models 
from resources.courses import courses_api

DEBUG = True
HOST = "localhost"
PORT = 8000

app = Flask(__name__)
app.register_blueprint(courses_api)

@app.route('/')
def index():
    return "Hello World"


if __name__ == '__main__':
    models.initialize()
    app.run(debug=DEBUG, host=HOST, port=PORT)