Fix error message.

No issue #

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/slicenumpy.go b/slicenumpy.go
index b557b9475cd4a540b2e01ba14aeeee9047c1fb80..5b55070679f57dee11adf420f0bdcced353dbdd8 100644 (file)
--- a/slicenumpy.go
+++ b/slicenumpy.go
@@ -531,7 +531,7 @@ func (cmd *sliceNumpy) run(prog string, args []string, stdin io.Reader, stdout,
                        if err == errSkip {
                                return nil
                        } else if err != nil {
-                               return fmt.Errorf("%04d: DecodeLibrary(%s): err", infileIdx, infile)
+                               return fmt.Errorf("%04d: DecodeLibrary(%s): %w", infileIdx, infile, err)
                        }
                        tagstart := cgs[cmd.cgnames[0]].StartTag
                        tagend := cgs[cmd.cgnames[0]].EndTag