Comment out 't = t[0] + t[1]' in profiler_simulation() -- this

function is only used when running the calibration code, and it turns
out that recent changes in the timing code caused this statement to
raise an exception.

Lib/profile.py

@@ -517,7 +517,7 @@ class Profile:
 	# simulate an event processing activity (from user's perspective)
 	def profiler_simulation(self, x, y, z):  
 		t = self.timer()
-		t = t[0] + t[1]
+		## t = t[0] + t[1]
 		self.ut = t