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/online-judge-api-client/default.nix

@@ -0,0 +1,60 @@
+{ lib
+, appdirs
+, beautifulsoup4
+, buildPythonPackage
+, colorlog
+, fetchFromGitHub
+, git
+, jsonschema
+, lxml
+, markdown
+, python
+, requests
+, substituteAll
+, toml
+}:
+
+let
+  # NOTE This is needed to download & run another Python program internally in
+  #      order to generate test cases for library-checker problems.
+  pythonEnv = python.withPackages (ps: with ps; [ colorlog jinja2 markdown toml ]);
+in buildPythonPackage rec {
+  pname = "online-judge-api-client";
+  version = "10.10.0";
+
+  src = fetchFromGitHub {
+    owner = "online-judge-tools";
+    repo = "api-client";
+    rev = "v${version}";
+    sha256 = "0lmryqi0bv82v9k9kf1rzzq9zr83smpmy8ivzw4fk31hvpczp4fn";
+  };
+
+  patches = [ ./fix-paths.patch ];
+  postPatch = ''
+    substituteInPlace onlinejudge/service/library_checker.py \
+      --subst-var-by git               ${git} \
+      --subst-var-by pythonInterpreter ${pythonEnv.interpreter}
+  '';
+
+  propagatedBuildInputs = [
+    appdirs
+    beautifulsoup4
+    colorlog
+    jsonschema
+    lxml
+    requests
+    toml
+  ];
+
+  # Requires internet access
+  doCheck = false;
+
+  pythonImportsCheck = [ "onlinejudge" "onlinejudge_api" ];
+
+  meta = with lib; {
+    description = "API client to develop tools for competitive programming";
+    homepage = "https://github.com/online-judge-tools/api-client";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sei40kr ];
+  };
+}