10 print "<<< ref#(atrack)=", sys.getrefcount(atrack)
13 astep= atrack.GetStep1()
14 print "<<< ref#(atrack, astep)=",\
15 sys.getrefcount(atrack),\
16 sys.getrefcount(astep)
18 print "<<< delete astep"
19 print "<<< ref#(atrack)=", sys.getrefcount(atrack)
22 bstep= atrack.GetStep1()
24 print "<<< previous step is still remain?"
27 print "--- stderr ---"