[core][imageregistration] Fix typo with steps

darfix/core/imageRegistration.py

@@ -26,7 +26,7 @@
 
 __authors__ = ["J. Garriga"]
 __license__ = "MIT"
-__date__ = "17/06/2021"
+__date__ = "07/07/2021"
 
 
 import enum
@@ -193,7 +193,7 @@ def improve_linear_shift(data, v, h, epsilon, steps, nimages=None, shift_approac
 
     score = {}
     utils.advancement_display(0, h + epsilon, "Finding shift")
-    step = 2 * epsilon / steps
+    step = epsilon / steps
     for h_ in numpy.arange(0, h + epsilon, step):
         result = numpy.zeros(data[0].shape)
         for iFrame in iData: