diff --git a/pkgs/development/python-modules/retry_decorator/default.nix b/pkgs/development/python-modules/retry_decorator/default.nix
new file mode 100644
index 00000000000..15ab826b0a6
--- /dev/null
+++ b/pkgs/development/python-modules/retry_decorator/default.nix
@@ -0,0 +1,21 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "retry_decorator";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "086zahyb6yn7ggpc58909c5r5h3jz321i1694l1c28bbpaxnlk88";
+  };
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/pnpnpn/retry-decorator;
+    description = "Retry Decorator for python functions";
+    license = licenses.mit;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 61208b8f0c3..be4f6f5b56a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3550,17 +3550,7 @@ in {
   requests-toolbelt = callPackage ../development/python-modules/requests-toolbelt { };
   requests_toolbelt = self.requests-toolbelt; # Old attr, 2017-09-26
 
-  retry_decorator = buildPythonPackage rec {
-    name = "retry_decorator-1.0.0";
-    src = pkgs.fetchurl {
-      url = mirror://pypi/r/retry_decorator/retry_decorator-1.0.0.tar.gz;
-      sha256 = "086zahyb6yn7ggpc58909c5r5h3jz321i1694l1c28bbpaxnlk88";
-    };
-    meta = {
-      homepage = https://github.com/pnpnpn/retry-decorator;
-      license = licenses.mit;
-    };
-  };
+  retry_decorator = callPackage ../development/python-modules/retry_decorator { };
 
   quandl = callPackage ../development/python-modules/quandl { };
   # alias for an older package which did not support Python 3