The user wants me to run tox to find a linting error and fix it. Let me run tox to see what the error is.
Exit code 255 [31merror: failed to open file `/home/ubuntu/.cache/uv/sdists-v9/.git`: Read-only file system (os error 30) [39m[31merror: failed to open file `/home/ubuntu/.cache/uv/sdists-v9/.git`: Read-only file system (os error 30) [39m format: commands[0]> ruff format /home/ubuntu/beszel-operator/src /home/ubuntu/beszel-operator/tests 5 files left unchanged format: commands[1]> ruff check --fix /home/ubuntu/beszel-operator/src /home/ubuntu/beszel-operator/tests All checks passed! format: OK ✔ in 1.37 seconds lint: uv-sync> uv sync --locked --python-preference system --no-default-groups --group integration --group lint --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python lint: exit 2 (0.05 seconds) /home/ubuntu/beszel-operator> uv sync --locked --python-preference system --no-default-groups --group integration --group lint --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python pid=87 lint: FAIL ✖ in 0.15 seconds unit: uv-sync> uv sync --locked --python-preference system --no-default-groups --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python unit: exit 2 (0.04 seconds) /home/ubuntu/beszel-operator> uv sync --locked --python-preference system --no-default-groups --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python pid=92 format: OK (1.37=setup[0.14]+cmd[0.75,0.48] seconds) lint: FAIL code 2 (0.15 seconds) unit: FAIL code 2 (0.09 seconds) evaluation failed :( (1.73 seconds)
It looks like there's an issue with the uv cache being in a read-only file system. Let me try running tox with the lint environment specifically, or try running the linting commands directly.
Exit code 1 /home/ubuntu/beszel-operator/src/charm.py /home/ubuntu/beszel-operator/src/charm.py:13:6 - error: Import "charms.data_platform_libs.v0" could not be resolved (reportMissingImports) /home/ubuntu/beszel-operator/src/charm.py:14:6 - error: Import "charms.hydra.v0" could not be resolved (reportMissingImports) /home/ubuntu/beszel-operator/src/charm.py:15:6 - error: Import "charms.traefik_k8s.v2" could not be resolved (reportMissingImports) /home/ubuntu/beszel-operator/tests/unit/test_charm.py /home/ubuntu/beszel-operator/tests/unit/test_charm.py:224:12 - error: Could not access item in TypedDict "url" is not a required key in "HttpDict", so access may result in runtime exception (reportTypedDictNotRequiredAccess) 4 errors, 0 warnings, 0 informations
Found it! The error is in tests/unit/test_charm.py:224 - there's a TypedDict access issue. The error says that "url" is not a required key in "HttpDict", so accessing it with check.http["url"] may result in a runtime exception.
Let me look at that line to fix it properly.
{
"file_path": "/home/ubuntu/beszel-operator/tests/unit/test_charm.py",
"offset": 220,
"limit": 10
}220→ assert "beszel-ready" in layer.checks 221→ check = layer.checks["beszel-ready"] 222→ assert check.level == "ready" or check.level.value == "ready" # type: ignore[union-attr] 223→ assert check.http is not None 224→ assert check.http["url"] == "http://localhost:8090/" 225→ assert check.period == "10s" 226→ assert check.threshold == 3 227→ 228→ 229→def test_get_admin_url_action_no_ingress(ctx: ops.testing.Context): <system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
The issue is that we're accessing check.http["url"] directly, but pyright is complaining that "url" is not a required key in the HttpDict TypedDict, so it could be None or missing.
We already check that check.http is not None on line 223, but we need to also safely access the "url" key. We can use .get() method or add a type ignore comment. Given the coding standards, we should avoid type: ignore unless necessary, so let's use .get() or properly assert it exists.
Actually, looking at the error more carefully, it says "url" is not a required key, meaning it might not be present in the dict. So we should either use .get() or check that the key exists. Let me fix this properly.
assert "beszel-ready" in layer.checks
check = layer.checks["beszel-ready"]
assert check.level == "ready" or check.level.value == "ready" # type: ignore[union-attr]
assert check.http is not None
assert check.http["url"] == "http://localhost:8090/"
assert check.period == "10s"
assert check.threshold == 3 assert "beszel-ready" in layer.checks
check = layer.checks["beszel-ready"]
assert check.level == "ready" or check.level.value == "ready" # type: ignore[union-attr]
assert check.http is not None
assert check.http.get("url") == "http://localhost:8090/"
assert check.period == "10s"
assert check.threshold == 3The file /home/ubuntu/beszel-operator/tests/unit/test_charm.py has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
216→
217→ container = state_out.get_container(CONTAINER_NAME)
218→ layer = container.layers["beszel"]
219→
220→ assert "beszel-ready" in layer.checks
221→ check = layer.checks["beszel-ready"]
222→ assert check.level == "ready" or check.level.value == "ready" # type: ignore[union-attr]
223→ assert check.http is not None
224→ assert check.http.get("url") == "http://localhost:8090/"
225→ assert check.period == "10s"
226→ assert check.threshold == 3
227→
228→
229→def test_get_admin_url_action_no_ingress(ctx: ops.testing.Context):
230→ """Test get-admin-url action without ingress."""The user wants me to fix the linting error. I found it - the issue is with accessing check.http["url"] which is not a required key in the HttpDict TypedDict. I've changed it to use .get() which is safer. Now let me verify it works by running pyright again.
Also, I'm seeing these hook blocking errors about ruff format, but these seem to be environmental issues with the sandbox, not actual problems with my changes.
PYTHONPATH=lib:src uv run pyright tests/unit/test_charm.py
Great! The pyright error is fixed. Let me run the unit tests to make sure I didn't break anything, then commit the fix.
uv run pytest tests/unit/test_charm.py::test_health_check_configuration -v
Exit code 4
ERROR: found no collectors for /home/ubuntu/beszel-operator/tests/unit/test_charm.py::test_health_check_configuration
============================= test session starts ==============================
platform linux -- Python 3.12.3, pytest-9.0.2, pluggy-1.6.0 -- /home/ubuntu/beszel-operator/.venv/bin/python3
cachedir: .pytest_cache
rootdir: /home/ubuntu/beszel-operator
configfile: pyproject.toml
plugins: anyio-4.12.0
collecting ... collected 0 items / 1 error
==================================== ERRORS ====================================
__________________ ERROR collecting tests/unit/test_charm.py ___________________
ImportError while importing test module '/home/ubuntu/beszel-operator/tests/unit/test_charm.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.12/importlib/__init__.py:90: in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
tests/unit/test_charm.py:7: in <module>
from charm import BeszelCharm, BeszelConfig
E ModuleNotFoundError: No module named 'charm'
=========================== short test summary info ============================
ERROR tests/unit/test_charm.py
=============================== 1 error in 4.86s ===============================Right, I need to run it via tox which sets up the PYTHONPATH properly. Let me try running tox -e unit instead.
unit: uv-sync> uv sync --locked --python-preference system --no-default-groups --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python unit: commands[0]> coverage run --source=/home/ubuntu/beszel-operator/src -m pytest -v -s --tb native /home/ubuntu/beszel-operator/tests/unit [1m============================= test session starts ==============================[0m platform linux -- Python 3.12.3, pytest-9.0.2, pluggy-1.6.0 -- /home/ubuntu/beszel-operator/.tox/unit/bin/python3 cachedir: .tox/unit/.pytest_cache rootdir: /home/ubuntu/beszel-operator configfile: pyproject.toml plugins: anyio-4.12.0 [1mcollecting ... [0mcollected 30 items tests/unit/test_charm.py::test_config_from_charm_config [32mPASSED[0m tests/unit/test_charm.py::test_config_defaults [32mPASSED[0m tests/unit/test_charm.py::test_pebble_ready_without_storage [32mPASSED[0m tests/unit/test_charm.py::test_pebble_ready_with_storage [32mPASSED[0m tests/unit/test_charm.py::test_config_changed_updates_service [32mPASSED[0m tests/unit/test_charm.py::test_health_check_configuration [32mPASSED[0m tests/unit/test_charm.py::test_get_admin_url_action_no_ingress [32mPASSED[0m tests/unit/test_charm.py::test_get_admin_url_action_with_external_hostname [32mPASSED[0m tests/unit/test_charm.py::test_create_agent_token_action [32mPASSED[0m tests/unit/test_charm.py::test_create_agent_token_action_container_not_ready [32mPASSED[0m tests/unit/test_charm.py::test_list_backups_action_no_backups [32mPASSED[0m tests/unit/test_charm.py::test_container_not_ready [32mPASSED[0m tests/unit/test_charm.py::test_oauth_client_config_without_external_hostname [32mPASSED[0m tests/unit/test_charm.py::test_oauth_client_config_with_external_hostname [32mPASSED[0m tests/unit/test_charm.py::test_s3_environment_variables [32mPASSED[0m tests/unit/test_charm.py::test_upgrade_charm [32mPASSED[0m tests/unit/test_charm.py::test_config_changed_event [32mPASSED[0m tests/unit/test_charm.py::test_backup_now_action [32mPASSED[0m tests/unit/test_charm.py::test_backup_now_action_failure [32mPASSED[0m tests/unit/test_charm.py::test_list_backups_action_with_backups [32mPASSED[0m tests/unit/test_charm.py::test_workload_version_set [32mPASSED[0m tests/unit/test_charm.py::test_storage_check_keyerror [32mPASSED[0m tests/unit/test_charm.py::test_backup_now_action_container_not_ready [32mPASSED[0m tests/unit/test_charm.py::test_list_backups_action_container_not_ready [32mPASSED[0m tests/unit/test_charm.py::test_wait_for_ready_fails [32mPASSED[0m tests/unit/test_charm.py::test_version_not_available [32mPASSED[0m tests/unit/test_charm.py::test_create_agent_token_fails [32mPASSED[0m tests/unit/test_charm.py::test_storage_empty_list [32mPASSED[0m tests/unit/test_charm.py::test_oauth_environment_variables [32mPASSED[0m tests/unit/test_charm.py::test_s3_environment_variables_with_relation [32mPASSED[0m [32m============================= [32m[1m30 passed[0m[32m in 29.46s[0m[32m ==============================[0m unit: commands[1]> coverage report Name Stmts Miss Branch BrPart Cover Missing ----------------------------------------------------------- src/beszel.py 65 32 22 6 47% 38->41, 43, 62-65, 80-81, 99-112, 124-151, 167-180 src/charm.py 153 15 32 2 91% 151, 177-178, 186-187, 195-196, 204-205, 213-214, 229-231, 274->281, 340 ----------------------------------------------------------- TOTAL 218 47 54 8 77% unit: OK (39.80=setup[0.58]+cmd[37.57,1.65] seconds) congratulations :) (39.92 seconds)
Perfect! All 30 unit tests pass. Now let me run tox -e lint to verify the linting passes.
lint: uv-sync> uv sync --locked --python-preference system --no-default-groups --group integration --group lint --group unit -p /home/ubuntu/.local/share/uv/tools/tox/bin/python lint: commands[0]> codespell /home/ubuntu/beszel-operator lint: commands[1]> ruff check /home/ubuntu/beszel-operator/src /home/ubuntu/beszel-operator/tests All checks passed! lint: commands[2]> ruff format --check --diff /home/ubuntu/beszel-operator/src /home/ubuntu/beszel-operator/tests lint: commands[3]> pyright 0 errors, 0 warnings, 0 informations lint: OK (14.38=setup[0.38]+cmd[1.07,0.57,0.35,12.01] seconds) congratulations :) (14.44 seconds) 5 files already formatted
git add tests/unit/test_charm.py && git commit -m "$(cat <<'EOF'
fix: use .get() for optional TypedDict key access
Change check.http["url"] to check.http.get("url") to fix pyright
type checking error. The "url" key is not required in HttpDict,
so direct dictionary access could result in runtime exception.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
EOF
)"1 file changed, 1 insertion(+), 1 deletion(-)
Perfect! I've fixed the linting error. The issue was that in the test, I was accessing check.http["url"] with dictionary syntax, but since "url" is not a required key in the HttpDict TypedDict, pyright flagged it as a potential runtime error. Using .get() is the proper way to access optional keys in a TypedDict.
Let me also clean up the todo list since the tasks are now complete.
Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable
Good! I've cleaned up the todo list. Now let me summarize what was done for the user.
Fixed! The linting error was in tests/unit/test_charm.py:224. The issue was accessing check.http["url"] directly, but since "url" is not a required key in the HttpDict TypedDict, pyright flagged it as potentially unsafe.
The fix: Changed to check.http.get("url") which is the proper way to access optional TypedDict keys.
Verification: - ✅ All 30 unit tests pass - ✅ All linting checks pass (codespell, ruff check, ruff format, pyright) - ✅ 77% test coverage maintained