1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/tools/b4/default.nix b/pkgs/development/tools/b4/default.nix
index 2e6f1f42a74..e6f656c4012 100644
--- a/pkgs/development/tools/b4/default.nix
+++ b/pkgs/development/tools/b4/default.nix
@@ -1,10 +1,10 @@
-{ lib, python3Packages, patatt }:
+{ lib, python3Packages, fetchPypi, patatt }:
 
 python3Packages.buildPythonApplication rec {
   pname = "b4";
   version = "0.12.2";
 
-  src = python3Packages.fetchPypi {
+  src = fetchPypi {
     inherit pname version;
     sha256 = "tvSv14v3iigFWzifCQl5Kxx4Bfs1V/XXHvvaNoKqvm4=";
   };