move python packages to pkgs/python-packages

Remove obsolete passthru from joinmarket because joinmarket packages are
now accessible via pkgs/python-packages.

pkgs/python-packages/chromalog/default.nix

@@ -0,0 +1,24 @@
+{ lib, buildPythonPackage, fetchFromGitHub, colorama, future, six }:
+buildPythonPackage rec {
+  pname = "chromalog";
+  version = "1.0.5";
+
+  src = fetchFromGitHub {
+    owner = "freelan-developers";
+    repo = "chromalog";
+    rev = "${version}";
+    sha256 = "0pj4s52rgwlvwkzrj85y92c5r9c84pz8gga45jl5spysrv41y9p0";
+  };
+
+  propagatedBuildInputs = [ colorama future six ];
+
+  # enable when https://github.com/freelan-developers/chromalog/issues/6 is resolved
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Enhance Python with colored logging";
+    homepage = "https://github.com/freelan-developers/chromalog";
+    maintainers = with maintainers; [ nixbitcoin ];
+    license = licenses.mit;
+  };
+}