diff --git a/pkgs/development/python-modules/responses/default.nix b/pkgs/development/python-modules/responses/default.nix
new file mode 100644
index 00000000000..193c116fe55
--- /dev/null
+++ b/pkgs/development/python-modules/responses/default.nix
@@ -0,0 +1,16 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, cookies, mock, requests, six }:
+
+buildPythonPackage rec {
+  pname = "responses";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0fs7a4cf4f12mjhcjd5vfh0f3ixcy2nawzxpgsfr3ahf0rg7ppx5";
+  };
+
+  propagatedBuildInputs = [ cookies mock requests six ];
+
+  doCheck = false;
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index eea999ca3e1..742ea0300da 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1226,19 +1226,7 @@ in {
 
   iowait = callPackage ../development/python-modules/iowait {};
 
-  responses = self.buildPythonPackage rec {
-    name = "responses-0.4.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/r/responses/${name}.tar.gz";
-      sha256 = "0fs7a4cf4f12mjhcjd5vfh0f3ixcy2nawzxpgsfr3ahf0rg7ppx5";
-    };
-
-    propagatedBuildInputs = with self; [ cookies mock requests six ];
-
-    doCheck = false;
-
-  };
+  responses = callPackage ../development/python-modules/responses {};
 
   rarfile = callPackage ../development/python-modules/rarfile { inherit (pkgs) libarchive; };