diff --git a/pkgs/development/python-modules/twitter-common-dirutil/default.nix b/pkgs/development/python-modules/twitter-common-dirutil/default.nix
new file mode 100644
index 000000000000..0172232a7504
--- /dev/null
+++ b/pkgs/development/python-modules/twitter-common-dirutil/default.nix
@@ -0,0 +1,25 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, twitter-common-lang
+}:
+
+buildPythonPackage rec {
+  pname   = "twitter.common.dirutil";
+  version = "0.3.9";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1wpjfmmxsdwnbx5dl13is4zkkpfcm94ksbzas9y2qhgswfa9jqha";
+  };
+
+  propagatedBuildInputs = [ twitter-common-lang ];
+
+  meta = with stdenv.lib; {
+    description = "Utilities for manipulating and finding files and directories";
+    homepage    = "https://twitter.github.io/commons/";
+    license     = licenses.asl20;
+    maintainers = with maintainers; [ copumpkin ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0559ee7f8558..8ce4b953e801 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4017,25 +4017,7 @@ in {
 
   twitter-common-confluence = callPackage ../development/python-modules/twitter-common-confluence { };
 
-  twitter-common-dirutil = buildPythonPackage rec {
-    pname   = "twitter.common.dirutil";
-    version = "0.3.9";
-    name    = "${pname}-${version}";
-
-    src = self.fetchPypi {
-      inherit pname version;
-      sha256 = "1wpjfmmxsdwnbx5dl13is4zkkpfcm94ksbzas9y2qhgswfa9jqha";
-    };
-
-    propagatedBuildInputs = with self; [ twitter-common-lang ];
-
-    meta = {
-      description = "Utilities for manipulating and finding files and directories";
-      homepage    = "https://twitter.github.io/commons/";
-      license     = licenses.asl20;
-      maintainers = with maintainers; [ copumpkin ];
-    };
-  };
+  twitter-common-dirutil = callPackage ../development/python-modules/twitter-common-dirutil { };
 
   twitter-common-lang = buildPythonPackage rec {
     pname   = "twitter.common.lang";