Update chatchain.py

chatchain.py

@@ -36,7 +36,7 @@ def update_rec_list(main_chain):
     for i,ea in enumerate(f_ist):
         if "chat/" in ea:
             try:
-                if not "__Source__" in ea:
+                if not ".png" in ea:
                     rec_list.append(ea.split("chat/",1)[1].split("/",1)[0])
             except Exception:
                 pass