import pytest from comfy_execution.graph_utils import GraphBuilder from comfy.client.embedded_comfy_client import Comfy from comfy.api.components.schema.prompt import Prompt class TestPhi4Loading: @pytest.mark.asyncio async def test_phi4_loading(self): graph = GraphBuilder() model_loader = graph.node("TransformersLoaderQuantized", ckpt_name="microsoft/phi-4", load_in_4bit=True, load_in_8bit=False) tokenizer = graph.node("OneShotInstructTokenize", model=model_loader.out(0), prompt="Hello", chat_template="default") generation = graph.node("TransformersGenerate", model=model_loader.out(0), tokens=tokenizer.out(0), max_new_tokens=1, seed=42) graph.node("SaveString", value=generation.out(0), filename_prefix="phi4_test") workflow = graph.finalize() prompt = Prompt.validate(workflow) async with Comfy() as client: await client.queue_prompt(prompt)