Added check for getpeername since it doesn't exist on esp usocket

@@ -159,8 +159,11 @@ class MudServer(object):
         self._new_events = []
 
     def get_remote_ip(self, clid):
-        cl = self._clients[clid]
-        return cl.socket.getpeername()
+        if 'esp' in sys.platform:
+            return 'Unknown IP'
+        else:
+            cl = self._clients[clid]
+            return cl.socket.getpeername()
 
     def disconnect_player(self, clid):
         cl = self._clients[clid]