code: def load(self):
          '''Try to load a blockade state file in the current directory'''
          try:
              with open(self._state_file) as f:
                  state = yaml.safe_load(f)
                  self._containers = state['containers']
          except (IOError, OSError) as err:
              if err.errno == errno.ENOENT:
                  raise NotInitializedError("No blockade exists in this context")
              raise InconsistentStateError("Failed to load Blockade state: "
                                           + str(err))
          except Exception as err:
              raise InconsistentStateError("Failed to load Blockade state: "
                                           + str(err)f load(self):
          '''Try to load a blockade state file in the current directory'''
          try:
              with open(self._state_file) as f:
                  state = yaml.safe_load(f)
                  self._containers = state['containers']
          except (IOError, OSError) as err:
              if err.errno == errno.ENOENT:
                  raise NotInitializedError("No blockade exists in this context")
              raise InconsistentStateError("Failed to load Blockade state: "
                                           + str(err))
          except Exception as err:
              raise InconsistentStateError("Failed to load Blockade state: "
                                           + str(err))
docs: Try to load a blockade state file in the current directory