fix AttributeError: 'list' object has no attribute 'split'

model.py

@@ -67,10 +67,11 @@ def model(passage, level):
     txt = passage
 
   # sentence_cutters = [".", "!", "?"]
-  if ("." in txt) or ("!" in txt) or ("?" in txt):
-    txt = (txt.split(".").split("!").split("?"))
-  else:
-    txt = txt
+  # if ("." in txt) or ("!" in txt) or ("?" in txt):
+  txt = txt.replace("!", ".").replace("?", ".")
+  txt = txt.split(".")
+  # else:
+  #   txt = txt
 
   text_dict = {}
   for n in txt: