code: def is_video_file(filename: str) -> bool:
      return is_content_type(filename, "video")
  
file_path: AugLy/augly/utils/asserts.py
imports: import os
  from typing import Tuple
  import magic
  from augly.utils.io import pathmgr
label_desc: Use image node_id 4 for calling a global function with example usage: is_video_file(filename) and returns: is_content_type