upload_from_file() with content type "application/json" not working about gcp-storage-emulator HOT 3 CLOSED

import os

from google.cloud import storage
from gcp_storage_emulator.server import create_server

HOST = "localhost"
PORT = 9023
BUCKET = "test-bucket"

server = create_server(HOST, PORT, in_memory=True, default_bucket=BUCKET)
server.start()

os.environ["STORAGE_EMULATOR_HOST"] = f"http://{HOST}:{PORT}"
client = storage.Client()
bucket = client.bucket(BUCKET)

blob = bucket.blob("data.json")

with open("data.json", "w+b") as my_file:
    my_file.write(b'[{"a": 1}]')
    my_file.seek(0)
    blob.upload_from_file(my_file, content_type="application/json")

server.stop()