code: def get_csq_header(vep_cmd: List[str]):
      with sp.Popen(
          vep_cmd,
          env=os.environ,
          stdin=sp.PIPE,
          stdout=sp.PIPE,
          encoding="utf-8",
      ) as proc:
          v = Variant(1, 13372, "G", ["C"])
          data = f"{VCF_HEADER}\n{v.to_vcf_line()}"
  
          stdout, stderr = proc.communicate(data)
          if stderr:
              print(stderr)
  
          for line in stdout.split("\n"):
              line = line.rstrip()
              for match in CONSEQUENCE_HEADER_REGEX.finditer(line):
                  return match.group(1)
          print("WARNING: could not get VEP CSQ header")
          return None
  
imports: import gzip
  import io
  import json
  import os
  import re
  import shlex
  import subprocess
  import sys
  import time
  from typing import List
label_desc: Use image node_id 3 for calling a global function with example usage: get_csq_header(vep_cmd) and returns: None, match