uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

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

@@ -0,0 +1,54 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, pytestCheckHook
+, pythonOlder
+, requests
+, requests-oauthlib
+, responses
+, six
+}:
+
+buildPythonPackage rec {
+  version = "0.10.1";
+  pname = "mwclient";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "mwclient";
+    repo = "mwclient";
+    rev = "v${version}";
+    sha256 = "120snnsh9n5svfwkyj1w9jrxf99jnqm0jk282yypd3lpyca1l9hj";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    requests-oauthlib
+    six
+  ];
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+    responses
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace " --cov mwclient test" ""
+  '';
+
+  pythonImportsCheck = [
+    "mwclient"
+  ];
+
+  meta = with lib; {
+    description = "Python client library to the MediaWiki API";
+    license = licenses.mit;
+    homepage = "https://github.com/mwclient/mwclient";
+    maintainers = with maintainers; [ ];
+  };
+}