diff --git a/pkgs/development/python-modules/atomicwrites/default.nix b/pkgs/development/python-modules/atomicwrites/default.nix
new file mode 100644
index 000000000000..724f662e5d3c
--- /dev/null
+++ b/pkgs/development/python-modules/atomicwrites/default.nix
@@ -0,0 +1,17 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "atomicwrites";
+  version = "0.1.9";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "08s05h211r07vs66r4din3swrbzb344vli041fihpg34q3lcxpvw";
+  };
+
+  meta = with stdenv.lib; {
+    description = "Atomic file writes on POSIX";
+    homepage = https://pypi.python.org/pypi/atomicwrites;
+    maintainers = with maintainers; [ matthiasbeyer ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index de5c441cc46a..9da99a4b8add 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -557,22 +557,7 @@ in {
 
   atomiclong = callPackage ../development/python-modules/atomiclong { };
 
-  atomicwrites = buildPythonPackage rec {
-    version = "0.1.9";
-    name = "atomicwrites-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/a/atomicwrites/atomicwrites-${version}.tar.gz";
-      sha256 = "08s05h211r07vs66r4din3swrbzb344vli041fihpg34q3lcxpvw";
-    };
-
-    meta = {
-      description = "Atomic file writes on POSIX";
-      homepage = https://pypi.python.org/pypi/atomicwrites/0.1.0;
-      maintainers = with maintainers; [ matthiasbeyer ];
-    };
-
-  };
+  atomicwrites = callPackage ../development/python-modules/atomicwrites { };
 
   # argparse is part of stdlib in 2.7 and 3.2+
   argparse = null;