Added missing step

preprocess.py

@@ -1,20 +1,23 @@
 import re
 
-def clean_sentence(sentence):
-    # Remove "!", "?", ".", "(", ")" from the sentence
-    sentence = re.sub(r"[!.?()]", "", sentence)
+def clean_tags(tags):
+    # Make tags more human readable
+    tags = tags.replace(' ', ', ').replace('_', ' ')
+
+    # Remove "!", "?", ".", "(", ")" from the tags
+    tags = re.sub(r"[!.?()]", "", tags)
     
     # Replace " , " with an empty space
-    sentence = re.sub(r" , ", " ", sentence)
+    tags = re.sub(r" , ", " ", tags)
     
     # Remove any trailing commas
-    sentence = re.sub(r"^,|,$", "", sentence)
+    tags = re.sub(r"^,|,$", "", tags)
     
     # Strip spaces
-    sentence = sentence.strip()
+    tags = tags.strip()
     
     # Remove any usernames
-    words = sentence.split(", ")
+    words = tags.split(", ")
     result = []
     for word in words:
         word = word.strip()