From 568e0bc498ee51fdd88e1e94089de05f2fdbd18b Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Thu, 30 Dec 2021 22:02:43 -0800
Subject: [PATCH] Revert "python3Packages.pip-tools: 6.3.1 -> 6.4.0"

This reverts commit 68f6e0321f2325a06ad25b3c7ab8b11b7691331a.
---
 pkgs/development/python-modules/pip-tools/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/pip-tools/default.nix b/pkgs/development/python-modules/pip-tools/default.nix
index 9d54eef4d706..62bab6694d79 100644
--- a/pkgs/development/python-modules/pip-tools/default.nix
+++ b/pkgs/development/python-modules/pip-tools/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "pip-tools";
-  version = "6.4.0";
+  version = "6.3.1";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "65553a15b1ba34be5e43889345062e38fb9b219ffa23b084ca0d4c4039b6f53b";
+    sha256 = "992d968df6f1a19d4d37c53b68b3d4b601b894fb3ee0926d1fa762ebc7c7e9e9";
   };
 
   checkInputs = [