fix formatting

Author: UrszulaNeuman

dls_barcode/geometry/unipuck_calculator.py

@@ -109,7 +109,7 @@ def _determine_puck_orientation(puck, pin_centers):
         original_angle = puck.angle()
 
         # For each angular increment, calculate the sum of squared errors in slot center position
-       for a in range(0, 360, 2):
+        for a in range(0, 360, 2):
             angle = a / (180 / math.pi)
             puck.set_rotation(angle)
             sse = 0