From ede6f9e1d3ec75884a3dcdb7c98ee50e5aa3acdb Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Wed, 28 Feb 2018 07:53:18 -0500
Subject: [PATCH] raise an error if not on python 3.6

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 requests_html.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/requests_html.py b/requests_html.py
index 5eede6d..0be722c 100644
--- a/requests_html.py
+++ b/requests_html.py
@@ -1,3 +1,4 @@
+import sys
 import asyncio
 from urllib.parse import urlparse, urlunparse
 from concurrent.futures._base import TimeoutError
@@ -37,6 +38,13 @@ _Search = Result
 _Links = Set[str]
 _Attrs = MutableMapping
 
+# Sanity checking.
+try:
+    assert sys.version_info.major == 3
+    assert sys.version_info.minor > 5
+except AssertionError:
+    raise RuntimeError('Requests-HTML requires Python 3.6+!')
+
 
 class BaseParser:
     """A basic HTML/Element Parser, for Humans.