DOC fix broken link in doc/developers/contributing.rst
@@ -1218,7 +1218,7 @@ the correct interface more easily.
and optionally the mixin classes in ``sklearn.base``.
For example, below is a custom classifier, with more examples included
in the scikit-learn-contrib
- `project template <https://github.com/scikit-learn-contrib/project-template/blob/master/skltemplate/template.py>`__.
+ `project template <https://github.com/scikit-learn-contrib/project-template/blob/master/skltemplate/_template.py>`__.
>>> import numpy as np
>>> from sklearn.base import BaseEstimator, ClassifierMixin
