old_contents: from cisco import CiscoIosSSH
  from cisco import CiscoAsaSSH
  from cisco import CiscoNxosSSH
  from cisco import CiscoXrSSH
  from arista import AristaSSH
  from hp import HPProcurveSSH
  
  CLASS_MAPPER = {
      'cisco_ios'     : CiscoIosSSH,
      'cisco_xe'      : CiscoIosSSH,
      'cisco_asa'     : CiscoAsaSSH,
      'cisco_nxos'    : CiscoNxosSSH,
      'cisco_xr'      : CiscoXrSSH,
      'arista_eos'    : AristaSSH,
      'hp_procurve'   : HPProcurveSSH,
  }
  
  def ssh_dispatcher(device_type):
      '''
      Select the class to be instantiated based on vendor/platform
      '''
  
      return CLASS_MAPPER[device_type]
  
new_contents: from cisco import CiscoIosSSH
  from cisco import CiscoAsaSSH
  from cisco import CiscoNxosSSH
  from cisco import CiscoXrSSH
  from arista import AristaSSH
  from hp import HPProcurveSSH
  
  CLASS_MAPPER = {
      'cisco_ios'     : CiscoIosSSH,
      'cisco_xe'      : CiscoIosSSH,
      'cisco_asa'     : CiscoAsaSSH,
      'cisco_nxos'    : CiscoNxosSSH,
      'cisco_xr'      : CiscoXrSSH,
      'arista_eos'    : AristaSSH,
      'hp_procurve'   : HPProcurveSSH,
      'f5_ltm_ssh'    : F5LtmSSH,
  }
  
  def ssh_dispatcher(device_type):
      '''
      Select the class to be instantiated based on vendor/platform
      '''
  
      return CLASS_MAPPER[device_type]
  
subject: Update ssh_dispatcher.py