From 344b1ce4b53566e2466f5d532804349d470aef87 Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Fri, 20 Sep 2024 21:45:54 -0400
Subject: [PATCH 1/3] TEST: Verify that adding Transform arrays to a chain does
 not explode

---
 nitransforms/tests/test_linear.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/nitransforms/tests/test_linear.py b/nitransforms/tests/test_linear.py
index 969b33ab..31627159 100644
--- a/nitransforms/tests/test_linear.py
+++ b/nitransforms/tests/test_linear.py
@@ -82,6 +82,20 @@ def test_loadsave_itk(tmp_path, data_path, testdata_path):
     )
 
 
+def test_mapping_chain(data_path):
+    xfm = nitl.load(data_path / "itktflist2.tfm", fmt="itk")
+    xfm = nitl.load(data_path / "itktflist2.tfm", fmt="itk")
+    assert len(xfm) == 9
+
+    # Addiition produces a chain
+    chain = xfm + xfm
+    # Length now means number of transforms, not number of affines in one transform
+    assert len(chain) == 2
+    # Just because a LinearTransformsMapping is iterable does not mean we decompose it
+    chain += xfm
+    assert len(chain) == 3
+
+
 @pytest.mark.parametrize(
     "image_orientation",
     [

From 7bc22c58c3bd8e319dccab53d187c832a680f236 Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Fri, 20 Sep 2024 21:47:34 -0400
Subject: [PATCH 2/3] FIX: Do not decompose LinearTransformsMappings when
 adding to a TransformChain

---
 nitransforms/manip.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nitransforms/manip.py b/nitransforms/manip.py
index b30fd646..9389197d 100644
--- a/nitransforms/manip.py
+++ b/nitransforms/manip.py
@@ -213,6 +213,8 @@ def _as_chain(x):
     """Convert a value into a transform chain."""
     if isinstance(x, TransformChain):
         return x.transforms
+    if isinstance(x, TransformBase):
+        return [x]
     if isinstance(x, Iterable):
         return list(x)
     return [x]

From e7757e2ecaa1fa1cd781c32d6a34a0b80684dfd7 Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Sat, 21 Sep 2024 09:31:11 -0400
Subject: [PATCH 3/3] rel(24.0.2): Update changes [skip ci]

---
 CHANGES.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index 7aa56a65..095c030a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,14 @@
+24.0.2 (September 21, 2024)
+===========================
+Bug-fix release in the 24.0.x series.
+
+CHANGES
+-------
+
+* FIX: Add per-volume transforms as single transform in chain by @effigies in https://github.com/nipy/nitransforms/pull/226
+
+**Full Changelog**: https://github.com/nipy/nitransforms/compare/24.0.1...24.0.2
+
 24.0.1 (September 17, 2024)
 ===========================
 Bug-fix release in the 24.0.x series.