DOC fix versionadded in forest (#21890)

glemaitre · web-flow · commit b290da777ced · 2021-12-06T16:07:54.000+01:00
diff --git a/sklearn/ensemble/_forest.py b/sklearn/ensemble/_forest.py
@@ -1309,6 +1309,7 @@ class labels (multi-output problem).
     feature_names_in_ : ndarray of shape (`n_features_in_`,)
         Names of features seen during :term:`fit`. Defined only when `X`
         has feature names that are all strings.
+
         .. versionadded:: 1.0
 
     n_outputs_ : int
@@ -1650,6 +1651,7 @@ class RandomForestRegressor(ForestRegressor):
     feature_names_in_ : ndarray of shape (`n_features_in_`,)
         Names of features seen during :term:`fit`. Defined only when `X`
         has feature names that are all strings.
+
         .. versionadded:: 1.0
 
     n_outputs_ : int
@@ -1992,6 +1994,7 @@ class labels (multi-output problem).
     feature_names_in_ : ndarray of shape (`n_features_in_`,)
         Names of features seen during :term:`fit`. Defined only when `X`
         has feature names that are all strings.
+
         .. versionadded:: 1.0
 
     n_outputs_ : int
@@ -2309,6 +2312,7 @@ class ExtraTreesRegressor(ForestRegressor):
     feature_names_in_ : ndarray of shape (`n_features_in_`,)
         Names of features seen during :term:`fit`. Defined only when `X`
         has feature names that are all strings.
+
         .. versionadded:: 1.0
 
     n_outputs_ : int
@@ -2546,6 +2550,7 @@ class RandomTreesEmbedding(BaseForest):
     feature_names_in_ : ndarray of shape (`n_features_in_`,)
         Names of features seen during :term:`fit`. Defined only when `X`
         has feature names that are all strings.
+
         .. versionadded:: 1.0
 
     n_outputs_ : int
