From 78d1faa21e663a6c99dff94c355eb828f73a7969 Mon Sep 17 00:00:00 2001
From: Noam Meltzer <tsnoam@gmail.com>
Date: Mon, 25 Apr 2016 10:18:45 +0300
Subject: [PATCH] dispatcher: on removeHandle(), remove the groups too if it's
 empty

---
 telegram/ext/dispatcher.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/telegram/ext/dispatcher.py b/telegram/ext/dispatcher.py
index 95f0e87c0..3be75d470 100644
--- a/telegram/ext/dispatcher.py
+++ b/telegram/ext/dispatcher.py
@@ -238,6 +238,9 @@ class Dispatcher(object):
         """
         if handler in self.handlers[group]:
             self.handlers[group].remove(handler)
+            if not self.handlers[group]:
+                del self.handlers[group]
+                self.groups.remove(group)
 
     def addErrorHandler(self, callback):
         """