code: def check_if_packages_installed(
      problem_type: str = None, package_names: List[str] = None
  ):
      """
      Check if necessary packages are installed for some problem types.
      Raise an error if an package can't be imported.
  
      Parameters
      ----------
      problem_type
          Problem type
      """
      if problem_type:
          problem_type = problem_type.lower()
          if any(p in problem_type for p in [OBJECT_DETECTION, OCR]):
              try:
                  with warnings.catch_warnings():
                      warnings.simplefilter("ignore")
                      import mmcv
              except ImportError as e:
                  raise ValueError(
                      f"Encountered error while importing mmcv: {e}. {_get_mmlab_installation_guide('mmcv')}"
                  )
  
              try:
                  import mmdet
              except ImportError as e:
                  raise ValueError(
                      f"Encountered error while importing mmdet: {e}. {_get_mmlab_installation_guide('mmdet')}"
                  )
  
              if OCR in problem_type:
                  try:
                      import mmocr
                  except ImportError as e:
                      raise ValueError(
                          f'Encountered error while importing mmocr: {e}. Try to install mmocr: pip install "mmocr<1.0".'
                      )
      if package_names:
          for package_name in package_names:
              if package_name == "mmcv":
                  try:
                      with warnings.catch_warnings():
                          warnings.simplefilter("ignore")
                          import mmcv
                      from mmcv import ConfigDict
                      from mmcv.runner import load_checkpoint
                      from mmcv.transforms import Compose
                  except ImportError as e:
                      f"Encountered error while importing {package_name}: {e}. {_get_mmlab_installation_guide(package_name)}"
              elif package_name == "mmdet":
                  try:
                      import mmdet
                      from mmdet.datasets.transforms import (
                          ImageToTensor,
                      )
                      from mmdet.registry import MODELS
                  except ImportError as e:
                      f"Encountered error while importing {package_name}: {e}. {_get_mmlab_installation_guide(package_name)}"
              elif package_name == "mmengine":
                  try:
                      import mmengine
                      from mmengine.dataset import (
                          pseudo_collate as collate,
                      )
                      from mmengine.runner import load_checkpoint
                  except ImportError as e:
                      warnings.warn(e)
                      raise ValueError(
                          f"Encountered error while importing {package_name}: {e}. {_get_mmlab_installation_guide(package_name)}"
                      )
              else:
                  raise ValueError(
                      f"package_name {package_name} is not required."
                  )
  
imports: import contextlib
  import logging
  import math
  import sys
  import warnings
  from typing import Dict, List, Optional, Tuple, Union
  import torch
  from lightning.pytorch.accelerators import find_usable_cuda_devices
  from torch import nn
  from autogluon.common.utils.resource_utils import ResourceManager
  from ..constants import DDP_STRATEGIES, OBJECT_DETECTION, OCR
label_desc: Use image node_id 10 for calling a global function with example usage: check_if_packages_installed(problem_type, package_names) without return types