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

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

Author: pre-commit-ci[bot]

machine_learning/adaboost.py

@@ -73,7 +73,10 @@ def predict(self, feature_matrix: np.ndarray) -> np.ndarray:
  return np.where(clf_preds >= 0, 1, 0)
 
  def _build_stump(
- self, feature_matrix: np.ndarray, target_signed: np.ndarray, sample_weights: np.ndarray
+ self,
+ feature_matrix: np.ndarray,
+ target_signed: np.ndarray,
+ sample_weights: np.ndarray,
  ) -> Dict[str, Any]:
  """Find the best decision stump for current weights."""
  n_samples, n_features = feature_matrix.shape
@@ -83,7 +86,9 @@ def _build_stump(
  thresholds = np.unique(feature_matrix[:, feature])
  for threshold in thresholds:
  for polarity in [1, -1]:
- pred = self._stump_predict(feature_matrix, feature, threshold, polarity)
+ pred = self._stump_predict(
+ feature_matrix, feature, threshold, polarity
+ )
  error = np.sum(sample_weights * (pred != target_signed))
  if error < min_error:
  min_error = error