revising title generator

title_generator.py

@@ -75,22 +75,22 @@ class Title_Generator:
     def candidate_score(self,candidates,ex_check=None):
         
         
-        if ex_check != None:
-            pat = re.compile("((?:" + "|".join(map(re.escape, candidates[0]+[cand.upper() for cand in candidates[0]])) + "|" + "|".join(ex_check) +"))")
-            desc = re.sub(pat, "__", candidates[1])
-        else:
-            pat = re.compile("((?:" + "|".join(map(re.escape, candidates[0]+[cand.upper() for cand in candidates[0]])) + "))")
-            desc = re.sub(pat, "__", candidates[1])
+    
+        pat = re.compile("((?:" + "|".join(map(re.escape, candidates[0]+[cand.upper() for cand in candidates[0]])) + "))")
+        desc = re.sub(pat, "__", candidates[1])
 
         
         if re.search(re.compile(re.escape("__")), desc):
-            reg = re.compile("("+"|".join(ex_check) + ")")
             hold = candidates[0]
             gen_desc = re.sub(re.compile(re.escape("__")),"",desc)
             candidates = self.candidate_generator(gen_desc)
-            next = [cand for cand in candidates[0]+hold if not reg.search(cand)]
+            next = candidates[0]+hold
             candidates = (next, desc)
 
+        reg = re.compile("("+"|".join(ex_check) + ")")
+        step = [cand for cand in candidates[0] if not reg.search(cand)]
+        candidates = (step,candidates[1])
+
         #check for existing games and duplicates
         #transform function from https://stackoverflow.com/questions/42165779/python-how-to-remove-duplicate-valuescase-insensitive-from-a-list-with-same-o
         def transform(L):