request to https proxy failed

[ggaaooppeenngg]

setup server

docker run -it --rm \ 
    -e https_proxy=${https_proxy} \
    -p 9000:9000 \
    sleepsonthefloor/graphpipe-tf:cpu \
    --model=https://oracle.github.io/graphpipe/models/squeezenet.pb \
    --listen=0.0.0.0:9000

setup https proxy

go get github.com/yannk/simplehttpsproxy
simplehttpsproxy -host=localhost.test.com -cert=test.crt -key=test.key -listen=localhost:4443 -backend:9000

set host name /etc/hosts

127.0.0.1 localhost.test.com

run curl works curl https://localhost.test.com:4443

but run python client

from io import BytesIO
from PIL import Image, ImageOps
import numpy as np
import requests

from graphpipe import remote

data = np.array(Image.open("mug227.png"))
data = data.reshape([1] + list(data.shape))
data = np.rollaxis(data, 3, 1).astype(np.float32)  # channels first
print(data.shape)

pred = remote.execute("https://localhost.test.com:4443", data)
print("Expected 504 (Coffee mug), got: ", np.argmax(pred, axis=1)[0])

get error TypeError: object of type 'int' has no len()