diff --git a/pkgs/development/python-modules/pyrsistent/default.nix b/pkgs/development/python-modules/pyrsistent/default.nix
new file mode 100644
index 00000000000..376b306cbb2
--- /dev/null
+++ b/pkgs/development/python-modules/pyrsistent/default.nix
@@ -0,0 +1,32 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, six
+, pytest
+, hypothesis
+}:
+
+buildPythonPackage rec {
+  pname = "pyrsistent";
+  version = "0.11.12";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0jgyhkkq36wn36rymn4jiyqh2vdslmradq4a2mjkxfbk2cz6wpi5";
+  };
+
+  propagatedBuildInputs = [ six ];
+  buildInputs = [ pytest hypothesis ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/tobgu/pyrsistent/;
+    description = "Persistent/Functional/Immutable data structures";
+    license = licenses.mit;
+    maintainers = with maintainers; [ desiderius ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2bd7588a73b..4d47e0ac164 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3396,28 +3396,7 @@ in {
 
   Pyro = callPackage ../development/python-modules/pyro { };
 
-  pyrsistent = buildPythonPackage (rec {
-    name = "pyrsistent-0.11.12";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/p/pyrsistent/${name}.tar.gz";
-      sha256 = "0jgyhkkq36wn36rymn4jiyqh2vdslmradq4a2mjkxfbk2cz6wpi5";
-    };
-
-    propagatedBuildInputs = with self; [ six ];
-    buildInputs = with self; [ pytest hypothesis ];
-
-    checkPhase = ''
-      py.test
-    '';
-
-    meta = {
-      homepage = https://github.com/tobgu/pyrsistent/;
-      description = "Persistent/Functional/Immutable data structures";
-      license = licenses.mit;
-      maintainers = with maintainers; [ desiderius ];
-    };
-  });
+  pyrsistent = callPackage ../development/python-modules/pyrsistent { };
 
   PyRSS2Gen = buildPythonPackage (rec {
     pname = "PyRSS2Gen";