crash in running example script

[divideby2]

python example_runner.py
...
...
...
2019-02-11 14:06:33 | [crosswalk_exp] itr #100 | Computing KL after
2019-02-11 14:06:34 | [crosswalk_exp] itr #100 | Computing loss after
2019-02-11 14:06:34 | [crosswalk_exp] itr #100 | Fitting baseline...
2019-02-11 14:06:34 | [crosswalk_exp] itr #100 | Saving snapshot...
2019-02-11 14:06:35 | [crosswalk_exp] itr #100 | Saved
2019-02-11 14:06:35 | -------------------------- ----------------
2019-02-11 14:06:35 | AverageDiscountedReturn -9671.75
2019-02-11 14:06:35 | AverageReturn -15794.1
2019-02-11 14:06:35 | Baseline/ExplainedVariance 0.281897
2019-02-11 14:06:35 | Entropy 8.48645
2019-02-11 14:06:35 | EnvExecTime 7.32593
2019-02-11 14:06:35 | Iteration 100
2019-02-11 14:06:35 | ItrTime 26.3924
2019-02-11 14:06:35 | MaxReturn -83.5971
2019-02-11 14:06:35 | MinReturn -37459.8
2019-02-11 14:06:35 | NumTrajs 1000
2019-02-11 14:06:35 | Perplexity 4848.63
2019-02-11 14:06:35 | PolicyExecTime 0.849689
2019-02-11 14:06:35 | ProcessExecTime 0.330272
2019-02-11 14:06:35 | StdReturn 8765.39
2019-02-11 14:06:35 | Time 2490.38
2019-02-11 14:06:35 | lstm_policy/Entropy 0.000526171
2019-02-11 14:06:35 | lstm_policy/KL 0.0108437
2019-02-11 14:06:35 | lstm_policy/KLBefore 0.0108437
2019-02-11 14:06:35 | lstm_policy/LossAfter 260.074
2019-02-11 14:06:35 | lstm_policy/LossBefore 260.074
2019-02-11 14:06:35 | lstm_policy/dLoss 0
2019-02-11 14:06:35 | -------------------------- ----------------
Traceback (most recent call last):
File "example_runner.py", line 115, in
example_save_trials(algo.n_itr, args.log_dir, header, sess, save_every_n=args.snapshot_gap)
File "/home/divideby2/AdaptiveStressTestingToolbox/Toolbox/example_save_trials.py", line 11, in example_save_trials
data = joblib.load(path + '/itr_' + str(i) + '.pkl')
File "/usr/local/anaconda3/lib/python3.6/site-packages/joblib/numpy_pickle.py", line 598, in load
obj = _unpickle(fobj, filename, mmap_mode)
File "/usr/local/anaconda3/lib/python3.6/site-packages/joblib/numpy_pickle.py", line 526, in _unpickle
obj = unpickler.load()
File "/usr/local/anaconda3/lib/python3.6/pickle.py", line 1050, in load
dispatchkey[0]
File "/usr/local/anaconda3/lib/python3.6/site-packages/joblib/numpy_pickle.py", line 339, in load_build
Unpickler.load_build(self)
File "/usr/local/anaconda3/lib/python3.6/pickle.py", line 1507, in load_build
setstate(state)
File "/usr/local/garage/garage/tf/core/parameterized.py", line 104, in setstate
Serializable.setstate(self, d)
File "/usr/local/garage/garage/core/serializable.py", line 39, in setstate
out = type(self)(*d["__args"], **d["__kwargs"])
File "/usr/local/garage/garage/tf/policies/gaussian_lstm_policy.py", line 121, in init
use_peepholes=use_peepholes,
File "/usr/local/garage/garage/tf/core/network.py", line 383, in init
**layer_args)
File "/usr/local/garage/garage/tf/core/layers.py", line 1595, in init
regularizable=False)
File "/usr/local/garage/garage/tf/core/layers.py", line 178, in add_param
param = self.add_param_plain(spec, shape, name, **kwargs)
File "/usr/local/garage/garage/tf/core/layers.py", line 172, in add_param_plain
param = create_param(spec, shape, name, **tags)
File "/usr/local/garage/garage/tf/core/layers.py", line 42, in create_param
dtype=tf.float32)
File "/usr/local/anaconda3/lib/python3.6/site-packages/tensorflow/python/ops/variable_scope.py", line 1487, in get_variable
aggregation=aggregation)
File "/usr/local/anaconda3/lib/python3.6/site-packages/tensorflow/python/ops/variable_scope.py", line 1237, in get_variable
aggregation=aggregation)
File "/usr/local/anaconda3/lib/python3.6/site-packages/tensorflow/python/ops/variable_scope.py", line 540, in get_variable
aggregation=aggregation)
File "/usr/local/anaconda3/lib/python3.6/site-packages/tensorflow/python/ops/variable_scope.py", line 492, in _true_getter
aggregation=aggregation)
File "/usr/local/anaconda3/lib/python3.6/site-packages/tensorflow/python/ops/variable_scope.py", line 861, in _get_single_variable
name, "".join(traceback.format_list(tb))))
ValueError: Variable lstm_policy/lstm_mean_network/lstm_layer/lstm_layer/h0 already exists, disallowed. Did you mean to set reuse=True or reuse=tf.AUTO_REUSE in VarScope? Originally defined at:

File "/usr/local/garage/garage/tf/core/layers.py", line 42, in create_param
dtype=tf.float32)
File "/usr/local/garage/garage/tf/core/layers.py", line 172, in add_param_plain
param = create_param(spec, shape, name, **tags)
File "/usr/local/garage/garage/tf/core/layers.py", line 178, in add_param
param = self.add_param_plain(spec, shape, name, **kwargs)

[mark-koren]

Significant changes since this bug, will reopen if it can still be reproduced