Update app.py

app.py

@@ -31,7 +31,7 @@ def infer(
     
     # compare texts 
     d = Differ() 
-    d_toks [(i[2:], i[0] if i[0] != " " else None) for i in d.compare(target, user_pron)]
+    d_toks = [(i[2:], i[0] if i[0] != " " else None) for i in d.compare(target, user_pron)]
     return (user_pron, d_toks)
 
 css = """