Error occurred when executing LCMSampler: about comfyui-flowty-lcm

[Soliver84]

notes.py:
`from .lcm.lcm_scheduler import LCMScheduler
from .lcm.lcm_pipeline import LatentConsistencyModelPipeline
from os import path
import time
import torch
import random
import numpy as np
from comfy.model_management import get_torch_device

MAX_SEED = np.iinfo(np.int32).max

def randomize_seed_fn(seed: int, randomize_seed: bool) -> int:
if randomize_seed:
seed = random.randint(0, MAX_SEED)
return seed

class LCMSampler:

def __init__(self):
    self.scheduler = LCMScheduler.from_pretrained(path.join(path.dirname(__file__), "scheduler_config.json"))
    self.pipe = None

@classmethod
def INPUT_TYPES(s):
    return {"required":
                {
                "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
                "steps": ("INT", {"default": 4, "min": 1, "max": 10000}),
                "cfg": ("FLOAT", {"default": 8.0, "min": 0.0, "max": 100.0, "step":0.5, "round": 0.01}),
                "size": ("INT", {"default": 512, "min": 512, "max": 768}),
                "num_images": ("INT", {"default": 1, "min": 1, "max": 64}),
                 "positive_prompt": ("STRING", {"multiline": True}),
                }
            }

RETURN_TYPES = ("IMAGE",)
FUNCTION = "sample"

CATEGORY = "sampling"

def sample(self, seed, steps, cfg, positive_prompt, size, num_images):
    if self.pipe is None:
        self.pipe = LatentConsistencyModelPipeline.from_pretrained(
            pretrained_model_name_or_path="C:\Matrix\Data\Models\LCM_Dreamshaper_v7",
            local_files_only=True,
            scheduler=self.scheduler`