UI Add milliseconds to elapsed time in progress bars - #34245

from sklearn.callback import ProgressBar
from sklearn.datasets import make_classification
from sklearn.linear_model import LogisticRegression

X, y = make_classification(n_samples=100000, n_features=100, n_informative=30, n_classes=10)

LogisticRegression(solver="lbfgs").set_callbacks(ProgressBar()).fit(X,y)
LogisticRegression - fit ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:01.645