pythonPackages.ConfigArgParse: 0.9.3 -> 0.12.0, refactor, move to python-modules

- fetch with `fetchPypi`
- add license, description and myself as maintainer

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

@@ -0,0 +1,21 @@
+{ stdenv, lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "ConfigArgParse";
+  version = "0.12.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0fgkiqh6r3rbkdq3k8c48m85g52k96686rw3a6jg4lcncrkpvk98";
+  };
+
+  # no tests in tarball
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A drop-in replacement for argparse";
+    homepage = https://github.com/zorro3/ConfigArgParse;
+    license = licenses.mit;
+    maintainer = [ maintainers.willibutz ];
+  };
+}