
class MyWorkflow(object):
    def __init__(self):
        pass

    def step3(self, session_time = None):
        print "Step3 of session %s" % session_time


@@ -113,17 +113,17 @@
    print
- 
+(
 %22Step3 o
@@ -136,14 +136,20 @@
 ion 
-%25s%22 %25 
+%7B0%7D%22.format(
 sess
@@ -156,10 +156,12 @@
 ion_time
+))
 %0A%0A

Fix an example of python task