diff --git a/pkgs/development/python-modules/lz4/default.nix b/pkgs/development/python-modules/lz4/default.nix
new file mode 100644
index 000000000000..adc0042a52e5
--- /dev/null
+++ b/pkgs/development/python-modules/lz4/default.nix
@@ -0,0 +1,24 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "lz4";
+  version = "0.8.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1irad4sq4hdr30fr53smvv3zzk4rddcf9b4jx19w8s9xsxhr1x3b";
+  };
+
+  buildInputs = [ nose ];
+
+  meta = with stdenv.lib; {
+    description = "Compression library";
+    homepage = https://github.com/python-lz4/python-lz4;
+    license = licenses.bsd3;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 53b9a4bbd14e..97bfb994c9b4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3047,22 +3047,7 @@ in {
 
   ldappool = callPackage ../development/python-modules/ldappool { };
 
-  lz4 = buildPythonPackage rec {
-    name = "lz4-0.8.2";
-
-    src = pkgs.fetchurl {
-      url = "https://pypi.python.org/packages/b5/f0/e1de2bb7feb54011f3c4dcf35b7cca3536e19526764db051b50ea26b58e7/lz4-0.8.2.tar.gz";
-      sha256 = "1irad4sq4hdr30fr53smvv3zzk4rddcf9b4jx19w8s9xsxhr1x3b";
-    };
-
-    buildInputs= with self; [ nose ];
-
-    meta = with stdenv.lib; {
-      description = "Compression library";
-      homepage = https://github.com/python-lz4/python-lz4;
-      license = licenses.bsd3;
-    };
-  };
+  lz4 = callPackage ../development/python-modules/lz4 { };
 
  retrying = buildPythonPackage rec {
     name = "retrying-${version}";