old_contents: from mythril.laser.ethereum.svm import LaserEVM
  
  
  class LaserPlugin:
      """ Base class for laser plugins
  
      Functionality in laser that the symbolic execution process does not need to depend on
      can be implemented in the form of a laser plugin.
  
      Laser plugins implement the function initialize(symbolic_vm) which is called with the laser virtual machine
      when they are loaded.
      Regularly a plugin will introduce several hooks into laser in this function
  
      Plugins can direct actions by raising Signals defined in mythril.laser.ethereum.plugins.signals
      For example, a pruning plugin might raise the PluginSkipWorldState signal.
      """
  
      def initialize(self, symbolic_vm: LaserEVM):
          """ Initializes this plugin on the symbolic virtual machine
  
          :param symbolic_vm: symbolic virtual machine to initialize the laser plugin on
          """
          raise NotImplementedError
  
new_contents: from mythril.laser.ethereum.svm import LaserEVM
  
  
  class LaserPlugin:
      """ Base class for laser plugins
  
      Functionality in laser that the symbolic execution process does not need to depend on
      can be implemented in the form of a laser plugin.
  
      Laser plugins implement the function initialize(symbolic_vm) which is called with the laser virtual machine
      when they are loaded.
      Regularly a plugin will introduce several hooks into laser in this function
  
      Plugins can direct actions by raising Signals defined in mythril.laser.ethereum.plugins.signals
      For example, a pruning plugin might raise the PluginSkipWorldState signal.
      """
  
      def initialize(self, symbolic_vm: LaserEVM) -> None:
          """ Initializes this plugin on the symbolic virtual machine
  
          :param symbolic_vm: symbolic virtual machine to initialize the laser plugin on
          """
          raise NotImplementedError
  
subject: add typehint to intialize function in plugin