content: # we need to import the policy first
  from rasa.core.policies.policy import Policy
  
  pass
  # and after that any implementation
  from rasa.core.policies.ensemble import SimplePolicyEnsemble, PolicyEnsemble
  from rasa.core.policies.embedding_policy import EmbeddingPolicy
  from rasa.core.policies.fallback import FallbackPolicy
  from rasa.core.policies.keras_policy import KerasPolicy
  from rasa.core.policies.memoization import (
      MemoizationPolicy, AugmentedMemoizationPolicy)
  from rasa.core.policies.sklearn_policy import SklearnPolicy
  from rasa.core.policies.form_policy import FormPolicy
  from rasa.core.policies.two_stage_fallback import TwoStageFallbackPolicy
  from rasa.core.policies.mapping_policy import MappingPolicy
  