From ceee3803f9b1ad3eef8b7abd45dc1327c062738c Mon Sep 17 00:00:00 2001
From: Tom Clegg <tom@curii.com>
Date: Tue, 30 Nov 2021 16:01:44 -0500
Subject: [PATCH] Not a bug when ref is the only variant loaded.

refs #18438

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>
---
 slicenumpy.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/slicenumpy.go b/slicenumpy.go
index a8fdeb064e..9353488cac 100644
--- a/slicenumpy.go
+++ b/slicenumpy.go
@@ -374,11 +374,7 @@ func (cmd *sliceNumpy) RunCommand(prog string, args []string, stdin io.Reader, s
 					// mention it in annotations?)
 					continue
 				}
-				variants, ok := seq[tag]
-				if !ok {
-					// how could we even have a reftile if there is no sequence data??
-					return fmt.Errorf("bug: have no variants for tag %d but reftile is %+v", tag, rt)
-				}
+				variants := seq[tag]
 				reftilestr := strings.ToUpper(string(rt.tiledata))
 				remap := variantRemap[tag-tagstart]
 				done := make([]bool, len(variants))
-- 
2.30.2