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Fix on the bc_offline_training using deep copies #1490

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Dec 14, 2018
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Fix on the bc_offline_training using deep copies #1490

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5 changes: 3 additions & 2 deletions ml-agents/mlagents/trainers/bc/offline_trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
# Contains an implementation of Behavioral Cloning Algorithm

import logging
import copy

from mlagents.trainers.bc.trainer import BCTrainer
from mlagents.trainers.demo_loader import demo_to_buffer
Expand Down Expand Up @@ -41,8 +42,8 @@ def __init__(self, brain, trainer_parameters, training, load, seed, run_id):
trainer_parameters['demo_path'],
self.policy.sequence_length)

policy_brain = brain.__dict__
expert_brain = brain_params.__dict__
policy_brain = copy.deepcopy(brain.__dict__)
expert_brain = copy.deepcopy(brain_params.__dict__)
policy_brain.pop('brain_name')
expert_brain.pop('brain_name')
if expert_brain != policy_brain:
Expand Down