Sort Python safe built-ins (#5781)

Co-authored-by: Jiajie Zhong <zhongjiajie955@hotmail.com>
Co-authored-by: Jiajie Zhong <zhongjiajie955@gmail.com>

tests/query_runner/test_python.py

@@ -0,0 +1,9 @@
+from unittest import TestCase
+
+from redash.query_runner.python import Python
+
+
+class TestPython(TestCase):
+    def test_sorted_safe_builtins(self):
+        src = list(Python.safe_builtins)
+        assert src == sorted(src), 'Python safe_builtins package not sorted.'