DOC Removed duplicate word "and" in metrics/_classification.py
@@ -2278,7 +2278,7 @@ def log_loss(
for its training data ``y_true``.
The log loss is only defined for two or more labels.
For a single sample with true label :math:`y \in \{0,1\}` and
- and a probability estimate :math:`p = \operatorname{Pr}(y = 1)`, the log
+ a probability estimate :math:`p = \operatorname{Pr}(y = 1)`, the log
loss is:
.. math::
