proposal to use .joblib file extension (#11230)

yufengg · ogrisel · commit 355d880d5600 · 2018-06-18T15:34:35.000+02:00
Recommend to use of `filename.joblib` instead of `filename.pkl` for models persisted via the joblib library to reduce confusion when it comes to time load a model, as it will be more clear whether a file was saved using the `pickle` or `joblib` library.
diff --git a/doc/modules/model_persistence.rst b/doc/modules/model_persistence.rst
@@ -42,12 +42,12 @@ is often the case for fitted scikit-learn estimators, but can only pickle to the
 disk and not to a string::
 
   >>> from sklearn.externals import joblib
-  >>> joblib.dump(clf, 'filename.pkl') # doctest: +SKIP
+  >>> joblib.dump(clf, 'filename.joblib') # doctest: +SKIP
 
 Later you can load back the pickled model (possibly in another Python process)
 with::
 
-  >>> clf = joblib.load('filename.pkl') # doctest:+SKIP
+  >>> clf = joblib.load('filename.joblib') # doctest:+SKIP
 
 .. note::
 
