diff --git a/pkgs/development/python-modules/iowait/default.nix b/pkgs/development/python-modules/iowait/default.nix
new file mode 100644
index 00000000000..ef2444c0d2f
--- /dev/null
+++ b/pkgs/development/python-modules/iowait/default.nix
@@ -0,0 +1,16 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "iowait";
+  version = "0.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16djvxd9sxm7cr57clhqkyrq3xvdzgwj803sy5hwyb62hkmw46xb";
+  };
+
+  meta = {
+    description = "Platform-independent module for I/O completion events";
+    homepage = https://launchpad.net/python-iowait;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 35190ba97d2..eea999ca3e1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1224,19 +1224,7 @@ in {
 
   dugong = callPackage ../development/python-modules/dugong {};
 
-  iowait = buildPythonPackage rec {
-    name = "iowait-0.2";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/i/iowait/${name}.tar.gz";
-      sha256 = "ab1bc2eb84c22ccf61f17a0024f9fb6df781b39f1852764a66a7769d5adfb299";
-    };
-
-    meta = {
-      description = "Platform-independent module for I/O completion events";
-      homepage = https://launchpad.net/python-iowait;
-    };
-  };
+  iowait = callPackage ../development/python-modules/iowait {};
 
   responses = self.buildPythonPackage rec {
     name = "responses-0.4.0";