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Merged
sentrivana merged 7 commits into from
May 7, 2026
Merged

ref: Rename _timestamp to _end_timestamp #6235

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ref: Rename _timestamp to _end_timestamp
sentrivana May 7, 2026
fee89f1
more occurrences
sentrivana May 7, 2026
0177165
fix
sentrivana May 7, 2026
ea130a0
fix
sentrivana May 7, 2026
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.
sentrivana May 7, 2026
ab6e51b
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sentrivana May 7, 2026
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sentrivana May 7, 2026
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18 changes: 9 additions & 9 deletions sentry_sdk/traces.py
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Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,7 @@
self._sample_rate = sample_rate

self._start_timestamp = datetime.now(timezone.utc)
self._timestamp: "Optional[datetime]" = None
self._end_timestamp: "Optional[datetime]" = None

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@sentry/warden / warden: code-review

Rename leaves stale `_timestamp` reference in `_span_batcher.py`, causing AttributeError when serializing spans 

The PR renames `StreamedSpan._timestamp` to `_end_timestamp`, but `sentry_sdk/_span_batcher.py` still accesses `item._timestamp` at lines 171-172 in `_to_transport_format`. Since `StreamedSpan` no longer defines `_timestamp`, this attribute access will raise `AttributeError` at runtime whenever a streamed span is serialized for transport, breaking span streaming entirely and preventing `end_timestamp` from ever being sent to Sentry.
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# profiling depends on this value and requires that
# it is measured in nanoseconds
Expand Down Expand Up @@ -327,7 +327,7 @@
def __exit__(
self, ty: "Optional[Any]", value: "Optional[Any]", tb: "Optional[Any]"
) -> None:
if self._timestamp is not None:
if self._end_timestamp is not None:
# This span is already finished, ignore
return

Expand Down Expand Up @@ -361,7 +361,7 @@
self._previous_span_on_scope = old_span

def _end(self, end_timestamp: "Optional[Union[float, datetime]]" = None) -> None:
if self._timestamp is not None:
if self._end_timestamp is not None:
# This span is already finished, ignore.
return

Expand Down Expand Up @@ -392,15 +392,15 @@
pass

if isinstance(end_timestamp, datetime):
self._timestamp = end_timestamp
self._end_timestamp = end_timestamp
else:
logger.debug(
"[Tracing] Failed to set end_timestamp. Using current time instead."
)

if self._timestamp is None:
if self._end_timestamp is None:
elapsed = nanosecond_time() - self._start_timestamp_monotonic_ns
self._timestamp = self._start_timestamp + timedelta(
self._end_timestamp = self._start_timestamp + timedelta(

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@sentry/warden / warden: find-bugs

_span_batcher._to_transport_format references removed attribute item._timestamp 

After renaming `_timestamp` to `_end_timestamp` on `StreamedSpan`, `sentry_sdk/_span_batcher.py` lines 171-172 still access `item._timestamp`. Combined with `__slots__`, reading this attribute will raise `AttributeError`, so serializing any span for transport will fail and no spans will be sent. The serialized payload will also be missing `end_timestamp` even if the access were tolerated.
microseconds=elapsed / 1000
)

Expand Down Expand Up @@ -479,8 +479,8 @@
return self._start_timestamp

@property
def timestamp(self) -> "Optional[datetime]":
return self._timestamp
def end_timestamp(self) -> "Optional[datetime]":
return self._end_timestamp
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@cursor cursor Bot May 7, 2026

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Renamed property breaks openai_agents integration at runtime

High Severity

The timestamp property on StreamedSpan was renamed to end_timestamp, but three call sites in the openai_agents integration still access span.timestamp on spans that can be StreamedSpan instances (when span streaming is enabled via get_start_span_function). This causes an AttributeError at runtime. The most critical site is in _run_single_turn (agent_run.py), where the AttributeError is not wrapped in capture_internal_exceptions(), so it replaces the original exception being handled.

Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit ea2436c. Configure here.

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@sentrivana sentrivana May 7, 2026

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If this is true, how come our tests didn't catch this? 🙈

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@sentrivana sentrivana May 7, 2026 •
edited
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Ah right, openai agents doesn't support span streaming yet, so that's ok.


def _is_segment(self) -> bool:
return self._segment is self
Expand Down Expand Up @@ -699,7 +699,7 @@
return None

@property
def timestamp(self) -> "Optional[datetime]":
def end_timestamp(self) -> "Optional[datetime]":
return None


Expand Down
4 changes: 2 additions & 2 deletions sentry_sdk/tracing_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -400,7 +400,7 @@ def add_query_source(
return

end_timestamp = (
datetime.now(timezone.utc) if span.timestamp is None else span.timestamp
datetime.now(timezone.utc) if span.end_timestamp is None else span.end_timestamp
)

duration = end_timestamp - span.start_timestamp
Expand Down Expand Up @@ -443,7 +443,7 @@ def add_http_request_source(
return

end_timestamp = (
datetime.now(timezone.utc) if span.timestamp is None else span.timestamp
datetime.now(timezone.utc) if span.end_timestamp is None else span.end_timestamp
)

duration = end_timestamp - span.start_timestamp
Expand Down
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