From 3e2f4580532a325f4afe76d6e8e833d161b32cdb Mon Sep 17 00:00:00 2001
From: Eric Condamine <37933899+servoz@users.noreply.github.com>
Date: Mon, 21 Sep 2020 15:04:15 +0200
Subject: [PATCH] SPM SliceTiming must accept either Int or float for ref_slice
 and slice_order input parameter

---
 nipype/interfaces/spm/preprocess.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/nipype/interfaces/spm/preprocess.py b/nipype/interfaces/spm/preprocess.py
index 17dc03ff5a..a9d211aa83 100644
--- a/nipype/interfaces/spm/preprocess.py
+++ b/nipype/interfaces/spm/preprocess.py
@@ -276,12 +276,14 @@ class SliceTimingInputSpec(SPMCommandInputSpec):
         mandatory=True,
     )
     slice_order = traits.List(
-        traits.Float(),
+        traits.Either(traits.Int(),traits.Float()),
         field="so",
         desc=("1-based order or onset (in ms) in which slices are acquired"),
         mandatory=True,
     )
-    ref_slice = traits.Int(
+    ref_slice = traits.Either(
+        traits.Int(),
+        traits.Float(),
         field="refslice",
         desc="1-based Number of the reference slice or "
         "reference time point if slice_order is in "