flake.nix: Add python313

Python is needed to run uf2conv, so the final build step will fail
without it. Most folks will have a global Python to fall back to, but
this change fixes the build for those who don't, and makes the Nix
environment more complete.

diff --git a/flake.nix b/flake.nix
index 2cf0e74dc4f310f52983bde8b13f07e578a6588e..15c41b381361fb4a725f6f8da254256ea3df6ed7 100644 (file)
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,7 @@
             pkgs.gnumake
             pkgs.emscripten
             pkgs.gcc-arm-embedded
+            pkgs.python313
           ];
           shellHook = ''
             export EM_CACHE=$(pwd)/.emscripten_cache/