diff --git a/pkgs/development/python-modules/pycallgraph/default.nix b/pkgs/development/python-modules/pycallgraph/default.nix
new file mode 100644
index 000000000000..9a6a3f4be2e9
--- /dev/null
+++ b/pkgs/development/python-modules/pycallgraph/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "pycallgraph";
+  version = "1.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0w8yr43scnckqcv5nbyd2dq4kpv74ai856lsdsf8iniik07jn9mi";
+  };
+
+  buildInputs = [ pytest ];
+
+  # Tests do not work due to this bug: https://github.com/gak/pycallgraph/issues/118
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = http://pycallgraph.slowchop.com;
+    description = "Call graph visualizations for Python applications";
+    maintainers = with maintainers; [ auntie ];
+    license = licenses.gpl2;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 47d68ba13e8c..e2ff8f0df377 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2062,28 +2062,7 @@ in {
 
   pybtex-docutils = callPackage ../development/python-modules/pybtex-docutils {};
 
-  pycallgraph = buildPythonPackage rec {
-    name = "pycallgraph-${version}";
-    version = "1.0.1";
-
-    src = pkgs.fetchurl {
-      url = mirror://pypi/p/pycallgraph/pycallgraph-1.0.1.tar.gz;
-      sha256 = "0w8yr43scnckqcv5nbyd2dq4kpv74ai856lsdsf8iniik07jn9mi";
-    };
-
-    buildInputs = with self; [ pytest ];
-
-    # Tests do not work due to this bug: https://github.com/gak/pycallgraph/issues/118
-    doCheck = false;
-
-    meta = {
-      homepage = http://pycallgraph.slowchop.com;
-      description = "Call graph visualizations for Python applications";
-      maintainers = with maintainers; [ auntie ];
-      license = licenses.gpl2;
-      platforms = platforms.all;
-    };
-  };
+  pycallgraph = callPackage ../development/python-modules/pycallgraph { };
 
   pycassa = callPackage ../development/python-modules/pycassa { };