code: def is_url(url_or_filename):
      parsed = urlparse(url_or_filename)
      return parsed.scheme in ("http", "https")
  
imports: import warnings
  from models.vit import VisionTransformer, interpolate_pos_embed
  from models.med import BertConfig, BertModel, BertLMHeadModel
  from transformers import BertTokenizer
  import torch
  from torch import nn
  import torch.nn.functional
  import os
  from urllib.parse import urlparse
  from timm.models.hub import download_cached_file
label_desc: Use image node_id 5 for calling a global function with example usage: is_url(url_or_filename) and returns: unknown