for tahoe-lafs master, add collections-extended

tahoe-lafs declares this with an environment marker so mach-nix no longer detects it

for tahoe-lafs master, add collections-extended
a5ff809b · Jean-Paul Calderone · 38ca99ec · a5ff809b
Commit a5ff809b authored 3 years ago by Jean-Paul Calderone
--- a/default.nix
+++ b/default.nix
@@ -72,7 +72,8 @@ in
          pyrsistent
          configparser
          eliot
-          foolscap >= 21.7.0
+          foolscap
+          collections-extended >= 2.0.2

          # undetected cryptography build dependency
          # https://github.com/DavHau/mach-nix/issues/305