From bc39e019189e6fe591366ac59d658b9f0aa8ba47 Mon Sep 17 00:00:00 2001
From: Gertjan Bisschop <32430503+GertjanBisschop@users.noreply.github.com>
Date: Wed, 22 Jun 2022 09:38:14 +0100
Subject: [PATCH] Change type of num_children array in docstring

Docstring did not reflect the changes in #2337.
---
 python/tskit/trees.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/tskit/trees.py b/python/tskit/trees.py
index f3de2208a2..3e31aa4db3 100644
--- a/python/tskit/trees.py
+++ b/python/tskit/trees.py
@@ -1185,7 +1185,7 @@ def right_sib_array(self):
     @property
     def num_children_array(self):
         """
-        A numpy array (dtype=np.uint64) encoding the number of children of
+        A numpy array (dtype=np.int32) encoding the number of children of
         each node in this tree, such that
         ``tree.num_children_array[u] == tree.num_children(u)`` for all
         ``0 <= u <= ts.num_nodes``. See the :meth:`~.num_children`