Addressed @effigies's comments.

MarcCote · MarcCote · commit b37af09be802 · 2019-11-12T19:59:28.000-05:00
diff --git a/nibabel/streamlines/array_sequence.py b/nibabel/streamlines/array_sequence.py
@@ -5,8 +5,7 @@
 
 import numpy as np
 
-from nibabel.deprecated import deprecate_with_version
-
+from ..deprecated import deprecate_with_version
 
 MEGABYTE = 1024 * 1024
 
