diff --git a/pkgs/development/python-modules/tidyexc/default.nix b/pkgs/development/python-modules/tidyexc/default.nix
new file mode 100644
index 000000000000..e59b65f4d923
--- /dev/null
+++ b/pkgs/development/python-modules/tidyexc/default.nix
@@ -0,0 +1,25 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "tidyexc";
+  version = "0.10.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1gl1jmihafawg7hvnn4xb20vd2x5qpvca0m1wr2gk0m2jj42yiq6";
+  };
+
+  format = "flit";
+  pythonImportsCheck = [ "tidyexc" ];
+
+  meta = with lib; {
+    description = "Raise rich, helpful exceptions";
+    homepage = "https://github.com/kalekundert/tidyexc";
+    changelog = "https://github.com/kalekundert/tidyexc/blob/v${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jpetrucciani ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 405b9de1c9db..718d6c882fc0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11185,6 +11185,8 @@ self: super: with self; {
     py = python.override { x11Support=true; };
   };
 
+  tidyexc = callPackage ../development/python-modules/tidyexc { };
+
   tidylib = callPackage ../development/python-modules/pytidylib { };
 
   tifffile = callPackage ../development/python-modules/tifffile { };