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ARCHIVED TRAINING / palantir/python-language-server

palantir__python-language-server-829

This is a preserved training example. Membership in the current training wave has not been verified.
palantir/python-language-server · Task 112 of 169

Problem statement

Formatting hanging indents raises ValueError
Example file:

```python
def foo():
    print('asdf',
    file=None
    )
```

Formatting this raises:
```
Traceback (most recent call last):
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/endpoint.py", line 113, in consume
    self._handle_request(message['id'], message['method'], message.get('params'))
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/endpoint.py", line 182, in _handle_request
    handler_result = handler(params)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/dispatchers.py", line 23, in handler
    return method(**(params or {}))
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py", line 347, in m_text_document__range_formatting
    return self.format_range(textDocument['uri'], range)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py", line 258, in format_range
    return self._hook('pyls_format_range', doc_uri, range=range)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py", line 155, in _hook
    return hook_handlers(config=self.config, workspace=workspace, document=doc, **kwargs)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
    return self._hookexec(self, self.get_hookimpls(), kwargs)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
    return self._inner_hookexec(hook, methods, kwargs)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py", line 337, in traced_hookexec
    return outcome.get_result()
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py", line 80, in get_result
    raise ex[1].with_traceback(ex[2])
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py", line 52, in from_call
    result = func()
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py", line 335, in <lambda>
    outcome = _Result.from_call(lambda: oldcall(hook, hook_impls, kwargs))
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
    firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py", line 208, in _multicall
    return outcome.get_result()
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py", line 80, in get_result
    raise ex[1].with_traceback(ex[2])
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
    res = hook_impl.function(*args)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/plugins/autopep8_format.py", line 26, in pyls_format_range
    return _format(config, document, line_range=line_range)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/plugins/autopep8_format.py", line 34, in _format
    new_source = fix_code(document.source, options=options)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py", line 3414, in fix_code
    return fix_lines(sio.readlines(), options=options)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py", line 3489, in fix_lines
    fixed_source = fix.fix()
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py", line 600, in fix
    aggressive=self.options.aggressive))
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py", line 542, in _fix_source
    modified_lines = fix(result)
  File "/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py", line 616, in _fix_reindent
    num_indent_spaces = int(result['info'].split()[1])
ValueError: invalid literal for int() with base 10: 'continuation'
```

Caused by palantir/python-language-server#719 replacing the autopep8 checker for `pycodestyle.continued_indentation`

Training membership

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_pure_v6a",
    "opd_e4b_pure_v6b",
    "opd_e4b_pure_v7",
    "opd_e4b_pure_v7b",
    "opd_e4b_self_audit_v4"
  ],
  "examples": 10,
  "instance_id": "palantir__python-language-server-829",
  "problem_statement": "Formatting hanging indents raises ValueError\nExample file:\r\n\r\n```python\r\ndef foo():\r\n    print('asdf',\r\n    file=None\r\n    )\r\n```\r\n\r\nFormatting this raises:\r\n```\r\nTraceback (most recent call last):\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/endpoint.py\", line 113, in consume\r\n    self._handle_request(message['id'], message['method'], message.get('params'))\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/endpoint.py\", line 182, in _handle_request\r\n    handler_result = handler(params)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls_jsonrpc/dispatchers.py\", line 23, in handler\r\n    return method(**(params or {}))\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py\", line 347, in m_text_document__range_formatting\r\n    return self.format_range(textDocument['uri'], range)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py\", line 258, in format_range\r\n    return self._hook('pyls_format_range', doc_uri, range=range)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/python_ls.py\", line 155, in _hook\r\n    return hook_handlers(config=self.config, workspace=workspace, document=doc, **kwargs)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/hooks.py\", line 286, in __call__\r\n    return self._hookexec(self, self.get_hookimpls(), kwargs)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py\", line 93, in _hookexec\r\n    return self._inner_hookexec(hook, methods, kwargs)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py\", line 337, in traced_hookexec\r\n    return outcome.get_result()\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py\", line 80, in get_result\r\n    raise ex[1].with_traceback(ex[2])\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py\", line 52, in from_call\r\n    result = func()\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py\", line 335, in <lambda>\r\n    outcome = _Result.from_call(lambda: oldcall(hook, hook_impls, kwargs))\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/manager.py\", line 87, in <lambda>\r\n    firstresult=hook.spec.opts.get(\"firstresult\") if hook.spec else False,\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py\", line 208, in _multicall\r\n    return outcome.get_result()\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py\", line 80, in get_result\r\n    raise ex[1].with_traceback(ex[2])\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pluggy/callers.py\", line 187, in _multicall\r\n    res = hook_impl.function(*args)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/plugins/autopep8_format.py\", line 26, in pyls_format_range\r\n    return _format(config, document, line_range=line_range)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/pyls/plugins/autopep8_format.py\", line 34, in _format\r\n    new_source = fix_code(document.source, options=options)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py\", line 3414, in fix_code\r\n    return fix_lines(sio.readlines(), options=options)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py\", line 3489, in fix_lines\r\n    fixed_source = fix.fix()\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py\", line 600, in fix\r\n    aggressive=self.options.aggressive))\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py\", line 542, in _fix_source\r\n    modified_lines = fix(result)\r\n  File \"/home/kb/apps/pls-venv/lib/python3.7/site-packages/autopep8.py\", line 616, in _fix_reindent\r\n    num_indent_spaces = int(result['info'].split()[1])\r\nValueError: invalid literal for int() with base 10: 'continuation'\r\n```\r\n\r\nCaused by palantir/python-language-server#719 replacing the autopep8 checker for `pycodestyle.continued_indentation`",
  "repo": "palantir/python-language-server",
  "source": "v2/experiments/train_data/opd_e4b_pure_v6a/verified_rft_messages.jsonl",
  "source_sha256": "f045b7ca5b3883a1e2eaee81e1c02a4a1b53dd7b7b36e98bacb2ba5823a15148"
}
{
  "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",
      "sha256": "a43610ad0dfb6ace95375cfae09000f41afc0338cc925af870a4ade7a9b20c4c"
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      "sha256": "960c680e797e823a0d3a22f4b1d5ef60a72971373d703b877340b0c9126aaf68"
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}