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Requesting multiple metrics sometimes give different results to requesting them individually #924
Description
Description of Bug
Sometimes, when a single metric is requested with get_metric_values, it returns a value for a particular time. But if both that metric and another are requested simultaneously, even if they both have a value at the same time, the value returned for the first metric is None.
Steps To Reproduce
Run this, noting that the run is on trial3. then comment out line 7, uncomment line 8, and run it again:
import simvue
run_id = "AZPKJLrtwr3ZerLi4QNnu8"
client = simvue.Client()
metric_names = ["soot_visibility.z.7_0.avg", "soot_visibility.z.37_0.avg"]
#metric_names = ["soot_visibility.z.7_0.avg"]
all_metric_values = client.get_metric_values(metric_names, 'time', run_ids=[run_id])
for (metric_name, single_metric_values) in all_metric_values.items():
print(f"{metric_name}: {list(single_metric_values.items())[-1]}")Output:
soot_visibility.z.37_0.avg: ((1731.6583251953125, 'AZPKJLrtwr3ZerLi4QNnu8'), 29.584584259066062)
soot_visibility.z.7_0.avg: ((1731.6583251953125, 'AZPKJLrtwr3ZerLi4QNnu8'), None)
Output with line 8 instead of 7:
soot_visibility.z.7_0.avg: ((1731.6583251953125, 'AZPKJLrtwr3ZerLi4QNnu8'), 19.169060055914873)
Setup
- OS: Ubuntu
- python-api version v2.3.5
Activity
kzscisoft commentedon Feb 26, 2026
Blocked by #926
alahiff commentedon Mar 3, 2026
Checking the responses from the server they are identical, so the bug is in the Python API.
The raw response from the first query includes:
and:
and the raw response from the second query includes:
alahiff commentedon Mar 3, 2026
Not sure why the Python API gets the abort status when a user asks for metrics?