1 files changed, 9 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pydantic/default.nix b/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
index ef33b6fb2bd5..371bfba2f0f9 100644
--- a/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 , ujson
 , email_validator
 , typing-extensions
@@ -22,6 +23,14 @@ buildPythonPackage rec {
     sha256 = "0fwrx7p6d5vskg9ibganahiz9y9299idvdmzhjw62jy84gn1vrb4";
   };
 
+  # fix tests, remove on next version bump
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/samuelcolvin/pydantic/commit/a5b0e741e585040a0ab8b0be94dd9dc2dd3afcc7.patch";
+      sha256 = "0v91ac3dw23rm73370s2ns84vi0xqbfzpvj84zb7xdiicx8fhmf1";
+    })
+  ];
+
   propagatedBuildInputs = [
     ujson
     email_validator