From 6bb57e248de0410faf1d7b6ab43efa99a3b1e5eb Mon Sep 17 00:00:00 2001
From: Itamar Turner-Trauring <itamar@pythonspeed.com>
Date: Mon, 9 Jan 2023 13:09:59 -0500
Subject: [PATCH] Try to switch Nix off 3.7.

---
 default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/default.nix b/default.nix
index 5f4db2c78..e4f2dd4d4 100644
--- a/default.nix
+++ b/default.nix
@@ -29,7 +29,7 @@ in
 , pypiData ? sources.pypi-deps-db # the pypi package database snapshot to use
                                   # for dependency resolution
 
-, pythonVersion ? "python37" # a string choosing the python derivation from
+, pythonVersion ? "python39" # a string choosing the python derivation from
                              # nixpkgs to target
 
 , extras ? [ "tor" "i2p" ] # a list of strings identifying tahoe-lafs extras,