From 573315e83f07b53a61ff5098757e8fc885f1703e Mon Sep 17 00:00:00 2001
From: Tan Jia Huei <tanjiahuei@gmail.com>
Date: Tue, 9 Nov 2021 14:57:26 +0800
Subject: [PATCH] use `pkg_resources` for PyTorch version comparison (#176)

use `pkg_resources` from `setuptools` to parse version strings, it is required by Pytorch >= 0.4.1 anyway
---
 clip/clip.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/clip/clip.py b/clip/clip.py
index abd9df3..f79e18b 100644
--- a/clip/clip.py
+++ b/clip/clip.py
@@ -3,6 +3,7 @@ import os
 import urllib
 import warnings
 from typing import Any, Union, List
+from pkg_resources import packaging
 
 import torch
 from PIL import Image
@@ -19,7 +20,7 @@ except ImportError:
     BICUBIC = Image.BICUBIC
 
 
-if [int(n.split("+")[0]) for n in torch.__version__.split(".")[:3]] < [1, 7, 1]:
+if packaging.version.parse(torch.__version__) < packaging.version.parse("1.7.1"):
     warnings.warn("PyTorch version 1.7.1 or higher is recommended")