code: def get_cuda_setup_error():
      for flag in yatest.common.runtime._get_ya_config().option.flags:
          if re.match(
              "HAVE_CUDA=(0|no|false)", flag, flags=re.IGNORECASE
          ):
              return flag
  
      train = tempfile.NamedTemporaryFile(delete=False)
      train.write(
          "\n".join(["%i\t%i" % (x, x + 1) for x in range(10)]) + "\n"
      )
      train.close()
      cd = tempfile.NamedTemporaryFile(delete=False)
      cd.write("0\tTarget\n")
      cd.close()
      try:
          cmd = (
              get_catboost_binary_path(),
              "fit",
              "--task-type",
              "GPU",
              "--devices",
              "0",
              "-i",
              "2",
              "-f",
              train.name,
              "--column-description",
              cd.name,
          )
          yatest.common.execute(cmd)
      except Exception as e:
          for reason in [
              "GPU support was not compiled",
              "CUDA driver version is insufficient",
          ]:
              if reason in str(e):
                  return reason
          return str(e)
      finally:
          os.unlink(train.name)
          os.unlink(cd.name)
  
      return None
  
imports: import os
  import pytest
  import re
  import sys
  import tempfile
  import time
  from .common_helpers import *
  import zipfile
  from testpath.tempdir import TemporaryDirectory
  import yatest.common.network
label_desc: Use image node_id 3 for calling a global function with example usage: get_cuda_setup_error() and returns: None, flag, str, reason