Request URL is missing an 'http://' or 'https://' protocol

[Junaid-Nazir-828]

When running the Stagehand Python example:

uv run python examples/full_example.py

I receive the following error:

httpcore.UnsupportedProtocol: Request URL is missing an 'http://' or 'https://' protocol.

Environment

• OS: Ubuntu 22.04
• Python: 3.9
• Installed via: uv
• Model used: openai/gpt-4o

Environment Variables

STAGEHAND_API_URL=https://api.stagehand.browserbase.com
OPENAI_API_KEY=****
BROWSERBASE_API_KEY=****
BROWSERBASE_PROJECT_ID=****

Full Traceback

Traceback (most recent call last):
  File ".../httpx/_transports/default.py", line 101, in map_httpcore_exceptions
    yield
  File ".../httpx/_transports/default.py", line 394, in handle_async_request
    resp = await self._pool.handle_async_request(req)
  File ".../httpcore/_async/connection_pool.py", line 207, in handle_async_request
    raise UnsupportedProtocol(
httpcore.UnsupportedProtocol: Request URL is missing an 'http://' or 'https://' protocol.