[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

mondey_backend/src/mondey_backend/routers/statistics.py

@@ -51,10 +51,10 @@ def _finalize_statistics(
             return count, mean, np.sqrt(var)
     elif all(isinstance(x, np.ndarray) for x in [count, mean, m2]):
         with np.errstate(invalid="ignore"):
-            valid_counts: np.ndarray = count >= 2 # type: ignore
-            variance: np.ndarray = m2 # type: ignore
-            variance[valid_counts] /= count[valid_counts] - 1 # type: ignore
-            variance[np.invert(valid_counts)] = 0.0 
+            valid_counts: np.ndarray = count >= 2  # type: ignore
+            variance: np.ndarray = m2  # type: ignore
+            variance[valid_counts] /= count[valid_counts] - 1  # type: ignore
+            variance[np.invert(valid_counts)] = 0.0
             return count, np.nan_to_num(mean), np.nan_to_num(np.sqrt(variance))
     else:
         raise ValueError(

mondey_backend/tests/utils/test_statistics.py

@@ -2,14 +2,15 @@
 
 import numpy as np
 import pytest
+from sqlmodel import select
+
 from mondey_backend.models.milestones import MilestoneAnswer
 from mondey_backend.models.milestones import MilestoneGroup
 from mondey_backend.routers.statistics import _add_sample
 from mondey_backend.routers.statistics import _finalize_statistics
 from mondey_backend.routers.statistics import _get_statistics_by_age
 from mondey_backend.routers.statistics import calculate_milestone_statistics_by_age
 from mondey_backend.routers.statistics import calculate_milestonegroup_statistics_by_age
-from sqlmodel import select
 
 
 def test_online_statistics_computation():