python.pkgs.adal : move to separate expression

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

@@ -0,0 +1,22 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, requests, pyjwt }:
+
+buildPythonPackage rec {
+  pname = "adal";
+  version = "0.1.0";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1f32k18ck54adqlgvh6fjhy4yavcyrwy813prjyqppqqq4bn1a09";
+  };
+
+  propagatedBuildInputs =  [ requests pyjwt ];
+
+  meta = with stdenv.lib; {
+    description = "Library to make it easy for python application to authenticate to Azure Active Directory (AAD) in order to access AAD protected web resources";
+    homepage = https://github.com/AzureAD/azure-activedirectory-library-for-python;
+    license = licenses.mit;
+    maintainers = with maintainers; [ phreedom ];
+  };
+}