pythonPackages.librosa: refactor move to python-modules

pkgs/development/python-modules/librosa/default.nix

@@ -0,0 +1,33 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, joblib
+, matplotlib
+, six
+, scikitlearn
+, decorator
+, audioread
+, resampy
+}:
+
+buildPythonPackage rec {
+  pname = "librosa";
+  version = "0.4.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "209626c53556ca3922e52d2fae767bf5b398948c867fcc8898f948695dacb247";
+  };
+
+  propagatedBuildInputs = [ joblib matplotlib six scikitlearn decorator audioread resampy ];
+
+  # No tests
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Python module for audio and music processing";
+    homepage = http://librosa.github.io/;
+    license = licenses.isc;
+  };
+
+}