Update app.py

app.py

@@ -292,7 +292,8 @@ if corpus is not None and queries is not None and qrels is not None:
             if word_suggestions_off:
                 splitting_words = []
             else:
-                splitting_words = find_dividing_words([item[1] + " " + item[2] for item in doc_texts])
+                together_docs = [item[1] + " " + item[2] if type(item[1]) == str else item[2] for item in doc_texts]
+                splitting_words = find_dividing_words(together_docs)
 
 
             # make a selectbox of these splitting words (allow multiple)