Update app.py

app.py

@@ -18,6 +18,8 @@ def mark_tokens_bold(text, tokens):
     # else:
     #     tokens = query.split(" ")
     for token in tokens:
+        if token in ["<", "b", "/", ">"]:
+            continue
         pattern = re.escape(token) #r"\b" + re.escape(token) + r"\b"
         text = re.sub(pattern, "<b>" + token + "</b>", text)
     return text