aiohttp transport retries connection errors even with retry_options attempts=1 #3160

import asyncio, socket, threading, time
from google import genai
from google.genai import types

posts = 0
def serve(sock):
    global posts
    while True:
        conn, _ = sock.accept()
        if conn.recv(65536).startswith(b"POST"):
            posts += 1
        conn.close()  # drop the connection without a response

sock = socket.socket(); sock.bind(("127.0.0.1", 0)); sock.listen(8)
threading.Thread(target=serve, args=(sock,), daemon=True).start()

async def main():
    client = genai.Client(api_key="test", http_options=types.HttpOptions(
        base_url=f"http://127.0.0.1:{sock.getsockname()[1]}",
        retry_options=types.HttpRetryOptions(attempts=1)))
    t = time.time()
    try:
        await client.aio.models.generate_content(model="gemini-3.5-flash", contents="hi")
    except Exception as e:
        print(type(e).__name__, f"POSTs={posts} after {time.time() - t:.1f}s")

asyncio.run(main())