Update maths.py

Leoniela · web-flow · commit 6b16b364f679 · 2016-06-16T10:53:00.000+02:00
diff --git a/nipype/interfaces/fsl/maths.py b/nipype/interfaces/fsl/maths.py
@@ -113,7 +113,7 @@ class StdImage(MathsCommand):
     """Use fslmaths to generate a standard deviation in an image across a given dimension.
     """
     input_spec = StdImageInput
-_suffix = "_std"
+    _suffix = "_std"
 
 class MeanImageInput(MathsInput):
 
