1 files changed, 1 insertions, 1 deletions
diff --git a/infra/libkookie/nixpkgs/pkgs/development/python-modules/tensorflow-probability/default.nix b/infra/libkookie/nixpkgs/pkgs/development/python-modules/tensorflow-probability/default.nix
index 763679190592..a89c6fa307ea 100644
--- a/infra/libkookie/nixpkgs/pkgs/development/python-modules/tensorflow-probability/default.nix
+++ b/infra/libkookie/nixpkgs/pkgs/development/python-modules/tensorflow-probability/default.nix
@@ -31,7 +31,7 @@ let
     src = fetchFromGitHub {
       owner = "tensorflow";
       repo = "probability";
-      rev = "${version}";
+      rev = version;
       sha256 = "07cm8zba8n0ihzdm3k4a4rsg5v62xxsfvcw4h0niz91c0parqjqy";
     };