read_mails can now be overridden

pyAmakCore/classes/communicating_agent.py

@@ -106,12 +106,12 @@ class CommunicatingAgent(Agent):
         Override of phase 1 agent so he read mail before he perceive
         this is the first phase of a cycle
         """
-        self._read_mails()
+        self.read_mails()
         self.on_perceive()
         self.compute_criticality()
         self._next_phase()
 
-    def _read_mails(self) -> None:
+    def read_mails(self) -> None:
         """
         method that open all mail in the mailbox
         """