From 575ca37033e779ce2b954b4444f6b124df8f4b3e Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <ste.pigozzi@gmail.com>
Date: Fri, 13 Apr 2018 09:40:31 +0200
Subject: [PATCH] #3: Do not crash if a CancelSignal is sent to a
 non-cancellable wait

---
 worker.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/worker.py b/worker.py
index 615b446..ec7bfe7 100644
--- a/worker.py
+++ b/worker.py
@@ -125,9 +125,13 @@ class ChatWorker(threading.Thread):
             # Get the next update
             update = self.__receive_next_update()
             # Ensure the update isn't a CancelSignal
-            if cancellable and isinstance(update, CancelSignal):
-                # Return the CancelSignal
-                return update
+            if isinstance(update, CancelSignal):
+                if cancellable:
+                    # Return the CancelSignal
+                    return update
+                else:
+                    # Ignore the signal
+                    continue
             # Ensure the update contains a message
             if update.message is None:
                 continue