IndexError

[eldraco]

Describe the bug

[GroundTruthParser] Extracting ground truth labels from: /xxxxxxxxxx/zeek_labeled/http.log.labeled
[GroundTruthParser] Number of parsed flows: 25920
[GroundTruthParser] Number of parsed flows: 26100
[GroundTruthParser] Number of parsed flows: 26280
[GroundTruthParser] Number of parsed flows: 26460
[Main] Total flows read by parsers:
['type_', 'count']
('suricata', 26507)
('slips', 7986)
('ground_truth', 26624)
[Main] Done. For labels db check: output/2023-08-25-09:31:58/

Traceback (most recent call last):
File "/xxxxxxxxxx/IDPS-Comparison-Tool/./main.py", line 122, in
calc.get_confusion_matrix('slips')
File "/xxxxxxxxxx/IDPS-Comparison-Tool/metrics/calculator.py", line 66, in get_confusion_matrix
tp = cm[1, 1]
IndexError: index 1 is out of bounds for axis 0 with size 1

To Reproduce
See private message

Expected behaviour
not failing