This code will not work. You can try this:

import os
from sqlalchemy import create_engine

access_token = os.getenv("DATABRICKS_TOKEN")
server_hostname = os.getenv("DATABRICKS_SERVER_HOSTNAME")
http_path = os.getenv("DATABRICKS_HTTP_PATH")
catalog = os.getenv("DATABRICKS_CATALOG")
schema = os.getenv("DATABRICKS_SCHEMA")

engine = create_engine(
url = f"databricks://token:{access_token}@{server_hostname}?" +
f"http_path={http_path}&catalog={catalog}&schema={schema}"
)