fix Ticket.fetch() failing when ticket is in mempool

Author: rodrigondec

.env.example

@@ -5,7 +5,7 @@ MODE=cmd
 SERVER_URL=https://mybot.com
 PORT=8443
 
-JACK_CHAT_ID=@ticketspliting
+JACK_CHAT_ID=@ticketsplitting
 
 MONGO_INITDB_ROOT_USERNAME=mongo
 MONGO_INITDB_ROOT_PASSWORD=mongo

db/ticket.py

@@ -153,10 +153,8 @@ def fetch(self):
         try:
             data = request_dcr_data(f"tx/{self.tx_id}/tinfo")
         except DcrDataAPIError as e:
-            self.delete()
             self.observer.send_message(e)
-            self.observer.send_message(TX_ID_ERROR)
-            self.observer.send_message(f"Your ticket was removed!")
+            self.observer.send_message(f"Your ticket was not saved!")
             return False
 
         status = data.get('status')