Python: move expressions in python-modules to their own folders

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

@@ -0,0 +1,35 @@
+{ stdenv, buildPythonPackage, fetchurl
+, six, requests, websocket_client
+, ipaddress, backports_ssl_match_hostname, docker_pycreds
+}:
+buildPythonPackage rec {
+  version = "2.5.1";
+  pname = "docker";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "mirror://pypi/d/docker/${name}.tar.gz";
+    sha256 = "b876e6909d8d2360e0540364c3a952a62847137f4674f2439320ede16d6db880";
+  };
+
+  propagatedBuildInputs = [
+    six
+    requests
+    websocket_client
+    ipaddress
+    backports_ssl_match_hostname
+    docker_pycreds
+  ];
+
+  # Flake8 version conflict
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "An API client for docker written in Python";
+    homepage = https://github.com/docker/docker-py;
+    license = licenses.asl20;
+    maintainers = with maintainers; [
+      jgeerds
+    ];
+  };
+}