def preprocess_observations(self, observation_batch: th.Tensor):
    resized_batch = self._resizeToInput(observation_batch)
    normalized = ((resized_batch * 2) - 1)
    return normalized
def preprocess_observations(self, observation_batch: th.Tensor):
    resized_batch = self._resizeToInput(observation_batch)
    normalized = ((resized_batch * 2) - 1)
    return normalized