code: def is_ipyparallel_installed():
      try:
          import ipyparallel  # pylint: disable=unused-import
  
          return True
      except ImportError:
          return False
  
file_path: bluefog/bluefog/run/env_util.py
imports: import re
  import shlex
  import subprocess
  import sys
  import traceback
label_desc: Use image node_id 3 for calling a global function with example usage: is_ipyparallel_installed() and returns: True, False