From 80d95013cbb05aa9c0ea80690ae58c78b5f161d6 Mon Sep 17 00:00:00 2001 From: Fabro Date: Mon, 16 Mar 2026 08:07:15 -0400 Subject: [PATCH] checkpoint MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ⚒️ Generated with [Fabro](https://fabro.sh) --- checkpoint.json | 55 +++++++++++++++++++++++++------- nodes/solve/prompt.md | 57 ++++++++++++++++++++++++++++++++++ nodes/solve/provider_used.json | 5 +++ nodes/solve/response.md | 21 +++++++++++++ nodes/solve/status.json | 6 ++++ 5 files changed, 132 insertions(+), 12 deletions(-) create mode 100644 nodes/solve/prompt.md create mode 100644 nodes/solve/provider_used.json create mode 100644 nodes/solve/response.md create mode 100644 nodes/solve/status.json diff --git a/checkpoint.json b/checkpoint.json index f39d74b39..0778170bd 100644 --- a/checkpoint.json +++ b/checkpoint.json @@ -1,31 +1,38 @@ { - "timestamp": "2026-03-16T12:02:24.360670Z", - "current_node": "setup", + "timestamp": "2026-03-16T12:07:15.564981Z", + "current_node": "solve", "completed_nodes": [ "start", - "setup" + "setup", + "solve" ], "node_retries": { + "solve": 1, "start": 1, "setup": 1 }, "context_values": { - "failure_class": "deterministic", + "thread.setup.current_node": "solve", + "last_stage": "solve", + "internal.retry_count.solve": 1, + "failure_class": "", "command.stderr": "", "internal.node_visit_count": 1, "internal.retry_count.start": 1, - "internal.thread_id": "start", + "internal.thread_id": "setup", "internal.run_id": "01KKV8D2S3VEG2V3PF00QMMRTP", "graph.rankdir": "LR", - "current.preamble": "Goal: Modeling's `separability_matrix` does not compute separability correctly for nested CompoundModels\nConsider the following model:\r\n\r\n```python\r\nfrom astropy.modeling import models as m\r\nfrom astropy.modeling.separable import separability_matrix\r\n\r\ncm = m.Linear1D(10) & m.Linear1D(5)\r\n```\r\n\r\nIt's separability matrix as you might expect is a diagonal:\r\n\r\n```python\r\n>>> separability_matrix(cm)\r\narray([[ True, False],\r\n [False, True]])\r\n```\r\n\r\nIf I make the model more complex:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & m.Linear1D(10) & m.Linear1D(5))\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, False],\r\n [False, False, False, True]])\r\n```\r\n\r\nThe output matrix is again, as expected, the outputs and inputs to the linear models are separable and independent of each other.\r\n\r\nIf however, I nest these compound models:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & cm)\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, True],\r\n [False, False, True, True]])\r\n```\r\nSuddenly the inputs and outputs are no longer separable?\r\n\r\nThis feels like a bug to me, but I might be missing something?\n\n", + "current.preamble": "Goal: Modeling's `separability_matrix` does not compute separability correctly for nested CompoundModels\nConsider the following model:\r\n\r\n```python\r\nfrom astropy.modeling import models as m\r\nfrom astropy.modeling.separable import separability_matrix\r\n\r\ncm = m.Linear1D(10) & m.Linear1D(5)\r\n```\r\n\r\nIt's separability matrix as you might expect is a diagonal:\r\n\r\n```python\r\n>>> separability_matrix(cm)\r\narray([[ True, False],\r\n [False, True]])\r\n```\r\n\r\nIf I make the model more complex:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & m.Linear1D(10) & m.Linear1D(5))\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, False],\r\n [False, False, False, True]])\r\n```\r\n\r\nThe output matrix is again, as expected, the outputs and inputs to the linear models are separable and independent of each other.\r\n\r\nIf however, I nest these compound models:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & cm)\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, True],\r\n [False, False, True, True]])\r\n```\r\nSuddenly the inputs and outputs are no longer separable?\r\n\r\nThis feels like a bug to me, but I might be missing something?\n\n\n## Completed stages\n- **setup**: fail\n - Script: `git clone https://github.com/astropy/astropy.git . && git checkout d16bfe05a744909de4b27f5875fe0d4ed41ce607 && sed -i 's/requires = \\[\"setuptools\",/requires = \\[\"setuptools==68.0.0\",/' pyproject.toml && python -m pip install -e .[test] --verbose`\n - Stdout:\n ```\n fatal: destination path '.' already exists and is not an empty directory.\n ```\n - Stderr: (empty)\n\n## Context\n- failure_class: deterministic\n- failure_signature: setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory.\n", "thread.start.current_node": "setup", - "failure_signature": "setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory.", - "outcome": "fail", + "failure_signature": "", + "outcome": "success", "internal.retry_count.setup": 1, "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n", - "current_node": "setup", + "last_response": "The meaningful change is just the one line in `astropy/modeling/separable.py` line 245: changing `= 1` to `= right`.\n\n## Summary\n\nThe bug was in the `_cstack` function in `astropy/modeling/separable.p", + "current_node": "solve", "graph.goal": "Modeling's `separability_matrix` does not compute separability correctly for nested CompoundModels\nConsider the following model:\r\n\r\n```python\r\nfrom astropy.modeling import models as m\r\nfrom astropy.modeling.separable import separability_matrix\r\n\r\ncm = m.Linear1D(10) & m.Linear1D(5)\r\n```\r\n\r\nIt's separability matrix as you might expect is a diagonal:\r\n\r\n```python\r\n>>> separability_matrix(cm)\r\narray([[ True, False],\r\n [False, True]])\r\n```\r\n\r\nIf I make the model more complex:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & m.Linear1D(10) & m.Linear1D(5))\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, False],\r\n [False, False, False, True]])\r\n```\r\n\r\nThe output matrix is again, as expected, the outputs and inputs to the linear models are separable and independent of each other.\r\n\r\nIf however, I nest these compound models:\r\n```python\r\n>>> separability_matrix(m.Pix2Sky_TAN() & cm)\r\narray([[ True, True, False, False],\r\n [ True, True, False, False],\r\n [False, False, True, True],\r\n [False, False, True, True]])\r\n```\r\nSuddenly the inputs and outputs are no longer separable?\r\n\r\nThis feels like a bug to me, but I might be missing something?\n", - "internal.fidelity": "compact" + "internal.fidelity": "compact", + "response.solve": "The meaningful change is just the one line in `astropy/modeling/separable.py` line 245: changing `= 1` to `= right`.\n\n## Summary\n\nThe bug was in the `_cstack` function in `astropy/modeling/separable.py`, which handles the `&` (concatenation) operator for compound models.\n\n**Root cause:** On line 245, when the `right` operand is an ndarray (which happens when it's the result of a nested CompoundModel that has already been processed into a separability matrix), the code was filling the bottom-right portion of the output matrix with `1` instead of copying the actual values from the `right` matrix:\n\n```python\n# Bug: fills with all 1s, destroying separability information\ncright[-right.shape[0]:, -right.shape[1]:] = 1\n```\n\n**Fix:** Copy the actual separability matrix values from `right`:\n\n```python\n# Fix: preserves the actual separability information\ncright[-right.shape[0]:, -right.shape[1]:] = right\n```\n\nThis is consistent with how the `left` operand is handled (line 240: `cleft[: left.shape[0], : left.shape[1]] = left`), where it correctly copies the actual matrix values. The `right` branch simply had a bug where it used `1` instead of `right`." }, "logs": [], "node_outcomes": { @@ -44,14 +51,38 @@ "start": { "status": "success", "duration_ms": 0 + }, + "solve": { + "status": "success", + "context_updates": { + "last_stage": "solve", + "last_response": "The meaningful change is just the one line in `astropy/modeling/separable.py` line 245: changing `= 1` to `= right`.\n\n## Summary\n\nThe bug was in the `_cstack` function in `astropy/modeling/separable.p", + "response.solve": "The meaningful change is just the one line in `astropy/modeling/separable.py` line 245: changing `= 1` to `= right`.\n\n## Summary\n\nThe bug was in the `_cstack` function in `astropy/modeling/separable.py`, which handles the `&` (concatenation) operator for compound models.\n\n**Root cause:** On line 245, when the `right` operand is an ndarray (which happens when it's the result of a nested CompoundModel that has already been processed into a separability matrix), the code was filling the bottom-right portion of the output matrix with `1` instead of copying the actual values from the `right` matrix:\n\n```python\n# Bug: fills with all 1s, destroying separability information\ncright[-right.shape[0]:, -right.shape[1]:] = 1\n```\n\n**Fix:** Copy the actual separability matrix values from `right`:\n\n```python\n# Fix: preserves the actual separability information\ncright[-right.shape[0]:, -right.shape[1]:] = right\n```\n\nThis is consistent with how the `left` operand is handled (line 240: `cleft[: left.shape[0], : left.shape[1]] = left`), where it correctly copies the actual matrix values. The `right` branch simply had a bug where it used `1` instead of `right`." + }, + "notes": "Stage completed: solve", + "usage": { + "model": "claude-opus-4-6", + "input_tokens": 17511, + "output_tokens": 6780, + "cache_read_tokens": 465593, + "cache_write_tokens": 21803, + "reasoning_tokens": 959, + "cost": 0.7711649999999999 + }, + "files_touched": [ + "/home/daytona/workspace/astropy/modeling/separable.py", + "/tmp/astropy_fix/astropy/modeling/separable.py" + ], + "duration_ms": 288793 } }, - "next_node_id": "solve", + "next_node_id": "extract_patch", "loop_failure_signatures": { "setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1 }, "node_visits": { "start": 1, - "setup": 1 + "setup": 1, + "solve": 1 } } \ No newline at end of file diff --git a/nodes/solve/prompt.md b/nodes/solve/prompt.md new file mode 100644 index 000000000..111e037eb --- /dev/null +++ b/nodes/solve/prompt.md @@ -0,0 +1,57 @@ +Goal: Modeling's `separability_matrix` does not compute separability correctly for nested CompoundModels +Consider the following model: + +```python +from astropy.modeling import models as m +from astropy.modeling.separable import separability_matrix + +cm = m.Linear1D(10) & m.Linear1D(5) +``` + +It's separability matrix as you might expect is a diagonal: + +```python +>>> separability_matrix(cm) +array([[ True, False], + [False, True]]) +``` + +If I make the model more complex: +```python +>>> separability_matrix(m.Pix2Sky_TAN() & m.Linear1D(10) & m.Linear1D(5)) +array([[ True, True, False, False], + [ True, True, False, False], + [False, False, True, False], + [False, False, False, True]]) +``` + +The output matrix is again, as expected, the outputs and inputs to the linear models are separable and independent of each other. + +If however, I nest these compound models: +```python +>>> separability_matrix(m.Pix2Sky_TAN() & cm) +array([[ True, True, False, False], + [ True, True, False, False], + [False, False, True, True], + [False, False, True, True]]) +``` +Suddenly the inputs and outputs are no longer separable? + +This feels like a bug to me, but I might be missing something? + + +## Completed stages +- **setup**: fail + - Script: `git clone https://github.com/astropy/astropy.git . && git checkout d16bfe05a744909de4b27f5875fe0d4ed41ce607 && sed -i 's/requires = \["setuptools",/requires = \["setuptools==68.0.0",/' pyproject.toml && python -m pip install -e .[test] --verbose` + - Stdout: + ``` + fatal: destination path '.' already exists and is not an empty directory. + ``` + - Stderr: (empty) + +## Context +- failure_class: deterministic +- failure_signature: setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory. + + +Fix this GitHub issue in the repository. Make the minimal code change needed. \ No newline at end of file diff --git a/nodes/solve/provider_used.json b/nodes/solve/provider_used.json new file mode 100644 index 000000000..c1905ff10 --- /dev/null +++ b/nodes/solve/provider_used.json @@ -0,0 +1,5 @@ +{ + "mode": "agent", + "provider": "anthropic", + "model": "claude-opus-4-6" +} \ No newline at end of file diff --git a/nodes/solve/response.md b/nodes/solve/response.md new file mode 100644 index 000000000..917e5b18c --- /dev/null +++ b/nodes/solve/response.md @@ -0,0 +1,21 @@ +The meaningful change is just the one line in `astropy/modeling/separable.py` line 245: changing `= 1` to `= right`. + +## Summary + +The bug was in the `_cstack` function in `astropy/modeling/separable.py`, which handles the `&` (concatenation) operator for compound models. + +**Root cause:** On line 245, when the `right` operand is an ndarray (which happens when it's the result of a nested CompoundModel that has already been processed into a separability matrix), the code was filling the bottom-right portion of the output matrix with `1` instead of copying the actual values from the `right` matrix: + +```python +# Bug: fills with all 1s, destroying separability information +cright[-right.shape[0]:, -right.shape[1]:] = 1 +``` + +**Fix:** Copy the actual separability matrix values from `right`: + +```python +# Fix: preserves the actual separability information +cright[-right.shape[0]:, -right.shape[1]:] = right +``` + +This is consistent with how the `left` operand is handled (line 240: `cleft[: left.shape[0], : left.shape[1]] = left`), where it correctly copies the actual matrix values. The `right` branch simply had a bug where it used `1` instead of `right`. \ No newline at end of file diff --git a/nodes/solve/status.json b/nodes/solve/status.json new file mode 100644 index 000000000..df8e6e154 --- /dev/null +++ b/nodes/solve/status.json @@ -0,0 +1,6 @@ +{ + "status": "success", + "notes": "Stage completed: solve", + "failure_reason": null, + "timestamp": "2026-03-16T12:07:15.564679+00:00" +} \ No newline at end of file