add comment on RABT

examples/sugarscape_g1mt/sugarscape_g1mt/model.py

@@ -187,6 +187,14 @@ def step(self):
 
         # collect model level data
         self.datacollector.collect(self)
+        '''
+        Mesa is working on updating datacollector agent reporter so it can collect information on specific agents 
+        from mesa.time.RandomActivationByType. 
+        
+        Please see issue #1419 at https://github.com/projectmesa/mesa/issues/1419 (contributions welcome)
+        
+        Below is one way to update agent_records to get specific Trader agent data
+        '''
         # Need to remove excess data
         # Create local variable to store trade data
         agent_trades = self.datacollector._agent_records[self.schedule.steps]