diff --git a/pkgs/development/python-modules/tokenize-rt/default.nix b/pkgs/development/python-modules/tokenize-rt/default.nix
new file mode 100644
index 000000000000..7aee895c6cb6
--- /dev/null
+++ b/pkgs/development/python-modules/tokenize-rt/default.nix
@@ -0,0 +1,28 @@
+{ buildPythonPackage
+, lib
+, fetchFromGitHub
+, isPy27
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "tokenize-rt";
+  version = "4.1.0";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "asottile";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-9qamHk2IZRmgGNFlYkSRks6mRVNlYfetpK/7rsfK9tc=";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "A wrapper around the stdlib `tokenize` which roundtrips";
+    homepage = "https://github.com/asottile/tokenize-rt";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lovesegfault ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8f933e5301e3..867169c38644 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7974,6 +7974,8 @@ in {
 
   tokenizers = disabledIf (!isPy3k) (toPythonModule (callPackage ../development/python-modules/tokenizers { }));
 
+  tokenize-rt = disabledIf (!isPy3k) (toPythonModule (callPackage ../development/python-modules/tokenize-rt { }));
+
   tokenlib = callPackage ../development/python-modules/tokenlib { };
 
   tokenserver = callPackage ../development/python-modules/tokenserver { };