Avoid HTTP Timeout

stream.py

from sanic import Sanic
from sanic.response import stream
from sanic_cors import CORS, cross_origin

from time import sleep

app = Sanic()
CORS(app)

@app.route('/api', methods=['POST'])
async def serve(q):
    var1 = 5
    var2 = 10
    async def slow(s, var1=var1, var2=var2):
        for _ in range(var2):
            s.write(' ')
            sleep(var1)
        s.write('done')
    return stream(slow, content_type='text/plain', headers={ 'Transfer-Encoding': 'chunked' })