code: def check_environment():
      """check if paramiko is installed"""
      try:
          import paramiko
      except:
          install_package_command("paramiko")
          import paramiko
      return paramiko
  
imports: import os
  from .common_utils import print_error
  from .command_utils import install_package_command
label_desc: Use image node_id 1 for calling a global function with example usage: check_environment() and returns: paramiko