Check if these issues are valid — if so, understand the root cause of each and fix them.


<file name="drift/instrumentation/psycopg2/instrumentation.py">

<violation number="1" location="drift/instrumentation/psycopg2/instrumentation.py:846">
P2: Removing `strict=True` from `zip(column_names, row)` now hides row/column length mismatches, potentially returning truncated or misaligned dict rows instead of raising an error. Add an explicit length check before zipping to preserve the previous safety.</violation>
</file>

Check if these issues are valid — if so, understand the root cause of each and fix them.


<file name="drift/core/communication/communicator.py">

<violation number="1">
P2: Don’t gate cleanup on background thread liveness; always remove the pre-registered routing entries on failure to avoid stale events/data if the thread dies mid-request.</violation>

<violation number="2">
P2: Unblock the background reader before joining (e.g., socket.shutdown) so cleanup reliably stops the thread instead of timing out while it’s stuck in recv().</violation>

<violation number="3">
P2: Avoid `except Exception: continue` in the background read loop; break (or at least handle OSError explicitly) on non-timeout socket errors to prevent a busy loop and hidden failures.</violation>
</file>

<file name="drift/instrumentation/django/e2e-tests/src/test_requests.py">

<violation number="1">
P2: Importing the shared `make_request` helper fixes the timeout/logging duplication but it also hardcodes the base URL to `http://localhost:8000`, so this script no longer honors the `PORT` environment variable that the Django app (and docs) use for running tests on custom ports. Requests sent while the app listens on any non-default port will now connect to the wrong port and fail.</violation>
</file>

<file name="drift/instrumentation/psycopg/e2e-tests/src/app.py">

<violation number="1">
P1: `datetime.UTC` is unavailable on Python 3.9, so importing it breaks the module on the newly supported versions. Use `datetime.timezone.utc` (or alias it) instead.</violation>
</file>

<file name="drift/instrumentation/fastapi/e2e-tests/src/test_requests.py">

<violation number="1">
P2: Importing the shared `make_request` function drops support for the `PORT` environment variable; `test_utils.make_request` hard-codes `http://localhost:8000`, so the FastAPI e2e tests now fail whenever the server listens on a different port. Consider restoring the `PORT` override in the shared utility before using it here.</violation>
</file>

<file name="drift/instrumentation/e2e_common/base_runner.py">

<violation number="1">
P2: App stdout/stderr are redirected to DEVNULL, so the later `communicate()` call can never surface logs when the app fails to start, leaving no diagnostics.</violation>
</file>

<file name="drift/instrumentation/utils/psycopg_utils.py">

<violation number="1">
P2: If psycopg’s Range class isn’t available, the fallback returns the raw `__range__` payload so the lower/upper bounds stay serialized (e.g., ISO strings) instead of being converted back to datetimes/decimals. This breaks the “deserialize to original Python types” contract and yields inconsistent behavior between environments with and without psycopg installed.</violation>
</file>