diff --git a/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py b/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
index 254956c..b94c292 100644
--- a/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
+++ b/TestON/tests/SCPF/SCPFscaleTopo/dependencies/scaleTopoFunction.py
@@ -63,7 +63,7 @@
             main.writeData = -1
             main.log.error( "Can't compare the difference with role request time" )
             return -1
-	# Only concern about the absolute value of difference.
+        # Only concern about the absolute value of difference.
         return abs( roleRequestTime - termTime )
     except IndexError:
         main.log.error( "Catch the wrong information of search term " )