old_contents: from puresnmp.security import SecurityModel
  
  IDENTIFIER = 2
  
  
  class SNMPv2cSecurityModel(SecurityModel):
      pass
new_contents: from puresnmp.security import SecurityModel
  
  IDENTIFIER = 2
  
  
  class SNMPv2cSecurityModel(SecurityModel):
      pass
  
  
  def create() -> SNMPv2cSecurityModel:
      return SNMPv2cSecurityModel()
  
subject: Fix v2c security model detection