From 2cc12c604af052daf5bb4a93f01aa1cd69523af2 Mon Sep 17 00:00:00 2001
From: Maxwell <zl2480@columbia.edu>
Date: Tue, 6 Jul 2021 16:59:25 +0800
Subject: [PATCH] DOC ensure IsolationForest passes numpydoc validation
 (#20437)

---
 maint_tools/test_docstrings.py | 1 -
 sklearn/base.py                | 4 ++--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/maint_tools/test_docstrings.py b/maint_tools/test_docstrings.py
index 9b23b1789ae..940f00c7313 100644
--- a/maint_tools/test_docstrings.py
+++ b/maint_tools/test_docstrings.py
@@ -59,7 +59,6 @@ DOCSTRING_IGNORE_LIST = [
     "HistGradientBoostingRegressor",
     "HuberRegressor",
     "IncrementalPCA",
-    "IsolationForest",
     "Isomap",
     "IsotonicRegression",
     "IterativeImputer",
diff --git a/sklearn/base.py b/sklearn/base.py
index 9e762bc1cb7..552132c2512 100644
--- a/sklearn/base.py
+++ b/sklearn/base.py
@@ -789,8 +789,8 @@ class OutlierMixin:
 
         Parameters
         ----------
-        X : {array-like, sparse matrix, dataframe} of shape \
-            (n_samples, n_features)
+        X : {array-like, sparse matrix} of shape (n_samples, n_features)
+            The input samples.
 
         y : Ignored
             Not used, present for API consistency by convention.