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ARCHIVED TRAINING / glotzerlab/signac

glotzerlab__signac-185

This is a preserved training example. Membership in the current training wave has not been verified.
glotzerlab/signac · Task 71 of 169

Problem statement

Error when storing NumPy arrays in job document.
### Description

Trying to save a NumPy array to the job document fails after loading the job document back (e.g. when adding another key or printing its contents).

### To reproduce

```python
import signac
import numpy as np

project = signac.init_project('dfs-update-bug')
for job in project:
    job.remove()
job = project.open_job({'a': 0})
job.init()
job.doc.my_array = np.array([0, 1, 2])
print(job.doc)
```

### Error output

```python
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-1-4f94befa8a51> in <module>
      7 job = project.open_job({'a': 0}).init()
      8 job.doc.my_array = np.array([0, 1, 2])
----> 9 print(job.doc)

~/code/signac/signac/core/synceddict.py in __str__(self)
    264 
    265     def __str__(self):
--> 266         return str(self())
    267 
    268     def _as_dict(self):

~/code/signac/signac/core/synceddict.py in __call__(self)
    271 
    272     def __call__(self):
--> 273         self._synced_load()
    274         return self._as_dict()
    275 

~/code/signac/signac/core/synceddict.py in _synced_load(self)
    157 
    158     def _synced_load(self):
--> 159         self.load()
    160 
    161     def load(self):

~/code/signac/signac/core/synceddict.py in load(self)
    165                 if data is not None:
    166                     with self._suspend_sync():
--> 167                         self._dfs_update(self._data, data)
    168                     for value in self._data:
    169                         if isinstance(value, Mapping):

~/code/signac/signac/core/synceddict.py in _dfs_update(self, old, new)
    143         for key in new:
    144             if key in old:
--> 145                 if old[key] == new[key]:
    146                     continue
    147                 elif isinstance(new[key], Mapping) and isinstance(old[key], Mapping):

ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
```

### System configuration

Please complete the following information:

 - Operating System: Linux-4.4.0-17134-Microsoft-x86_64-with-debian-buster-sid
 - Version of Python: 3.6.8 |Anaconda, Inc.| (default, Dec 30 2018, 01:22:34) [GCC 7.3.0]
 - Version of signac: 1.0.0 (current `master`)

Training membership

opd_e4b_cispo_v5 opd_e4b_pure_v6a opd_e4b_pure_v6b opd_e4b_pure_v7 opd_e4b_pure_v7b opd_e4b_self_audit_v4

Task issues extracted from preserved verified_rft_messages training examples. This is not a verified current RL wave manifest.

Task and snapshot provenance

Snapshot captured 2026-11-12T17:06:59.476467+00:00 · Autoresearch-Arena/gemma-4-developer-agent

{
  "datasets": [
    "opd_e4b_cispo_v5",
    "opd_e4b_pure_v6a",
    "opd_e4b_pure_v6b",
    "opd_e4b_pure_v7",
    "opd_e4b_pure_v7b",
    "opd_e4b_self_audit_v4"
  ],
  "examples": 16,
  "instance_id": "glotzerlab__signac-185",
  "problem_statement": "Error when storing NumPy arrays in job document.\n### Description\r\n\r\nTrying to save a NumPy array to the job document fails after loading the job document back (e.g. when adding another key or printing its contents).\r\n\r\n### To reproduce\r\n\r\n```python\r\nimport signac\r\nimport numpy as np\r\n\r\nproject = signac.init_project('dfs-update-bug')\r\nfor job in project:\r\n    job.remove()\r\njob = project.open_job({'a': 0})\r\njob.init()\r\njob.doc.my_array = np.array([0, 1, 2])\r\nprint(job.doc)\r\n```\r\n\r\n### Error output\r\n\r\n```python\r\n---------------------------------------------------------------------------\r\nValueError                                Traceback (most recent call last)\r\n<ipython-input-1-4f94befa8a51> in <module>\r\n      7 job = project.open_job({'a': 0}).init()\r\n      8 job.doc.my_array = np.array([0, 1, 2])\r\n----> 9 print(job.doc)\r\n\r\n~/code/signac/signac/core/synceddict.py in __str__(self)\r\n    264 \r\n    265     def __str__(self):\r\n--> 266         return str(self())\r\n    267 \r\n    268     def _as_dict(self):\r\n\r\n~/code/signac/signac/core/synceddict.py in __call__(self)\r\n    271 \r\n    272     def __call__(self):\r\n--> 273         self._synced_load()\r\n    274         return self._as_dict()\r\n    275 \r\n\r\n~/code/signac/signac/core/synceddict.py in _synced_load(self)\r\n    157 \r\n    158     def _synced_load(self):\r\n--> 159         self.load()\r\n    160 \r\n    161     def load(self):\r\n\r\n~/code/signac/signac/core/synceddict.py in load(self)\r\n    165                 if data is not None:\r\n    166                     with self._suspend_sync():\r\n--> 167                         self._dfs_update(self._data, data)\r\n    168                     for value in self._data:\r\n    169                         if isinstance(value, Mapping):\r\n\r\n~/code/signac/signac/core/synceddict.py in _dfs_update(self, old, new)\r\n    143         for key in new:\r\n    144             if key in old:\r\n--> 145                 if old[key] == new[key]:\r\n    146                     continue\r\n    147                 elif isinstance(new[key], Mapping) and isinstance(old[key], Mapping):\r\n\r\nValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()\r\n```\r\n\r\n### System configuration\r\n\r\nPlease complete the following information:\r\n\r\n - Operating System: Linux-4.4.0-17134-Microsoft-x86_64-with-debian-buster-sid\r\n - Version of Python: 3.6.8 |Anaconda, Inc.| (default, Dec 30 2018, 01:22:34) [GCC 7.3.0]\r\n - Version of signac: 1.0.0 (current `master`)",
  "repo": "glotzerlab/signac",
  "source": "v2/experiments/train_data/opd_e4b_cispo_v5/verified_rft_messages.jsonl",
  "source_sha256": "a43610ad0dfb6ace95375cfae09000f41afc0338cc925af870a4ade7a9b20c4c"
}
{
  "captured_at": "2026-11-12T17:06:59.476467+00:00",
  "membership": "archived training",
  "membership_evidence": "Task issues extracted from preserved verified_rft_messages training examples. This is not a verified current RL wave manifest.",
  "name": "Preserved post-training task archive",
  "source": "Autoresearch-Arena/gemma-4-developer-agent",
  "source_revision": "016496de222aaafca0d4ee4c18efc63ba616f76e",
  "sources": [
    {
      "path": "v2/experiments/train_data/opd_e4b_cispo_v5/verified_rft_messages.jsonl",
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      "sha256": "bd326303eb127e8e5e08f03daf97bb88d79d19709d59f3f93f348bc56686a8df"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_onpolicy_v3/verified_rft_messages.jsonl",
      "sha256": "960c680e797e823a0d3a22f4b1d5ef60a72971373d703b877340b0c9126aaf68"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v6a/verified_rft_messages.jsonl",
      "sha256": "f045b7ca5b3883a1e2eaee81e1c02a4a1b53dd7b7b36e98bacb2ba5823a15148"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v6b/verified_rft_messages.jsonl",
      "sha256": "0f62460a9706eea5e1605255896f191ab00cb5706c5f1f2e1c293e9a718218dc"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v7/verified_rft_messages.jsonl",
      "sha256": "e37f7bd675322f3f81500b73559d60d5f602ca0537bf19f5cb06332c728c7b72"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v7b/verified_rft_messages.jsonl",
      "sha256": "b864bdc8695183433eef6e31cb8d33fad44ba3aded2170c1ade4ad5b2944ce23"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_self_audit_v4/verified_rft_messages.jsonl",
      "sha256": "0026023745afb8f3dc1c176dc7f7171157b4ad5a66656b524af218e8e19ceee6"
    },
    {
      "path": "v2/experiments/train_data/rft_e4b_aligned_v2/verified_rft_messages.jsonl",
      "sha256": "92a4515fee9d152b0d4c510ee3ce4caaaffe2003ba7584469f8027f174aab18c"
    },
    {
      "path": "v2/experiments/train_data/rft_v1/verified_rft_messages.jsonl",
      "sha256": "a42453ccd7ac7680b0a03865e8e7080bc8bf74c8d9d193b440c441ed46f8512b"
    },
    {
      "path": "v2/experiments/train_data/rft_v2/verified_rft_messages.jsonl",
      "sha256": "18f4b3bd7e651f83c6acab479c9475e3fa50dc652a384f309e97146983ac85ba"
    }
  ]
}