trivia_quiz: Remove Python < 3.4 compatibility code.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

Author: andersk

zulip_bots/zulip_bots/bots/trivia_quiz/test_trivia_quiz.py

@@ -1,12 +1,10 @@
-import html
 import json
 from typing import Any, Dict, Optional, Tuple
 from unittest.mock import patch
 
 from typing_extensions import override
 
 from zulip_bots.bots.trivia_quiz.trivia_quiz import (
-    fix_quotes,
     get_quiz_from_id,
     get_quiz_from_payload,
     handle_answer,
@@ -57,17 +55,6 @@ def test_question_not_available(self) -> None:
         with mock_request_exception():
             self.verify_reply("new", "Uh-Oh! Trivia service is down.")
 
-    def test_fix_quotes(self) -> None:
-        self.assertEqual(fix_quotes("test & test"), html.unescape("test & test"))
-        print("f")
-        with patch("html.unescape") as mock_html_unescape:
-            mock_html_unescape.side_effect = Exception
-            with self.assertRaises(Exception) as exception:
-                fix_quotes("test")
-            self.assertEqual(
-                str(exception.exception), "Please use python3.4 or later for this bot."
-            )
-
     def test_invalid_answer(self) -> None:
         invalid_replies = ["answer A", "answer A Q10", "answer Q001 K", "answer 001 A"]
         for reply in invalid_replies:

zulip_bots/zulip_bots/bots/trivia_quiz/trivia_quiz.py

@@ -2,7 +2,7 @@
 import json
 import random
 import re
-from typing import Any, Dict, Optional, Tuple
+from typing import Any, Dict, Tuple
 
 import requests
 
@@ -107,18 +107,6 @@ def get_trivia_payload() -> Dict[str, Any]:
     return payload
 
 
-def fix_quotes(s: str) -> Optional[str]:
-    # opentdb is nice enough to escape HTML for us, but
-    # we are sending this to code that does that already :)
-    #
-    # Meanwhile Python took until version 3.4 to have a
-    # simple html.unescape function.
-    try:
-        return html.unescape(s)
-    except Exception:
-        raise Exception("Please use python3.4 or later for this bot.")
-
-
 def get_quiz_from_payload(payload: Dict[str, Any]) -> Dict[str, Any]:
     result = payload["results"][0]
     question = result["question"]
@@ -129,9 +117,9 @@ def get_quiz_from_payload(payload: Dict[str, Any]) -> Dict[str, Any]:
     answers[correct_letter] = result["correct_answer"]
     for i in range(3):
         answers[letters[i + 1]] = result["incorrect_answers"][i]
-    answers = {letter: fix_quotes(answer) for letter, answer in answers.items()}
+    answers = {letter: html.unescape(answer) for letter, answer in answers.items()}
     quiz: Dict[str, Any] = dict(
-        question=fix_quotes(question),
+        question=html.unescape(question),
         answers=answers,
         answered_options=[],
         pending=True,