Merge pull request #988 from Dl0tt/Axolotl-Missing-Arguments

Update axolotl's layer.py

Author: tgalal

yowsup/layers/axolotl/layer.py

@@ -115,7 +115,7 @@ def receive(self, protocolTreeNode):
     ##### handling received data #####
     def onEncryptNotification(self, protocolTreeNode):
         entity = EncryptNotification.fromProtocolTreeNode(protocolTreeNode)
-        ack = OutgoingAckProtocolEntity(protocolTreeNode["id"], "notification", protocolTreeNode["type"])
+        ack = OutgoingAckProtocolEntity(protocolTreeNode["id"], "notification", protocolTreeNode["type"], protocolTreeNode["from"])
         self.toLower(ack.toProtocolTreeNode())
         self.sendKeys(fresh=False, countPreKeys = self.__class__._COUNT_PREKEYS - entity.getCount())
 
@@ -356,4 +356,4 @@ def getSessionCipher(self, recipientId):
             return self.sessionCiphers[recipientId]
         else:
             self.sessionCiphers[recipientId] = SessionCipher(self.store, self.store, self.store, self.store, recipientId, 1)
-            return self.sessionCiphers[recipientId]
+            return self.sessionCiphers[recipientId]