Merge pull request #12 from DoctorInsano/empty-string-tokenize-fix

Fix an issue where double spaces would get picked up and turn into empty string tokens

MarkovChainBot.py

@@ -200,7 +200,10 @@ def message_handler(self, m):
                     for sentence in sentences:
                         # Get all seperate words
                         words = sentence.split(" ")
-
+                        # Double spaces will lead to invalid rules. We remove empty words here
+                        if "" in words:
+                            words = [word for word in words if word]
+
                         # If the sentence is too short, ignore it and move on to the next.
                         if len(words) <= self.key_length:
                             continue