diff --git a/pkgs/development/python-modules/pyicu/default.nix b/pkgs/development/python-modules/pyicu/default.nix
new file mode 100644
index 00000000000..4b984566e91
--- /dev/null
+++ b/pkgs/development/python-modules/pyicu/default.nix
@@ -0,0 +1,37 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, pytest
+, six
+, fetchpatch
+, pkgs
+}:
+
+buildPythonPackage rec {
+  pname = "PyICU";
+  version = "2.0.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0pzss3l0b0vcsyr7wlqdd6pkcqldspajfgd9k2iijf6r152d2ln4";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = https://sources.debian.org/data/main/p/pyicu/2.0.3-1/debian/patches/icu_test.patch;
+      sha256 = "1iavdkyqixm9i753svl17barla93b7jzgkw09dn3hnggamx7zwx9";
+    })
+  ];
+
+  buildInputs = [ pkgs.icu pytest ];
+  propagatedBuildInputs = [ six ];
+
+  meta = with stdenv.lib; {
+    homepage = https://pypi.python.org/pypi/PyICU/;
+    description = "Python extension wrapping the ICU C++ API";
+    license = licenses.mit;
+    platforms = platforms.linux; # Maybe other non-darwin Unix
+    maintainers = [ maintainers.rycee ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f50afe520c7..18a77520fe5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3364,33 +3364,7 @@ in {
 
   kaa-metadata = callPackage ../development/python-modules/kaa-metadata { };
 
-  PyICU = buildPythonPackage rec {
-    name = "PyICU-2.0.3";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/P/PyICU/${name}.tar.gz";
-      sha256 = "0pzss3l0b0vcsyr7wlqdd6pkcqldspajfgd9k2iijf6r152d2ln4";
-    };
-
-    patches = [
-      (pkgs.fetchpatch {
-        url = https://sources.debian.org/data/main/p/pyicu/2.0.3-1/debian/patches/icu_test.patch;
-        sha256 = "1iavdkyqixm9i753svl17barla93b7jzgkw09dn3hnggamx7zwx9";
-      })
-    ];
-
-    buildInputs = [ pkgs.icu self.pytest ];
-
-    propagatedBuildInputs = [ self.six ];
-
-    meta = {
-      homepage = https://pypi.python.org/pypi/PyICU/;
-      description = "Python extension wrapping the ICU C++ API";
-      license = licenses.mit;
-      platforms = platforms.linux; # Maybe other non-darwin Unix
-      maintainers = [ maintainers.rycee ];
-    };
-  };
+  PyICU = callPackage ../development/python-modules/pyicu { };
 
   pyinputevent = buildPythonPackage rec {
     name = "pyinputevent-2016-10-18";