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/urllib3/default.nix

@@ -0,0 +1,75 @@
+{ lib
+, brotli
+, buildPythonPackage
+, cryptography
+, python-dateutil
+, fetchPypi
+, idna
+, isPy27
+, mock
+, pyopenssl
+, pysocks
+, pytest-freezegun
+, pytest-timeout
+, pytestCheckHook
+, tornado
+, trustme
+}:
+
+buildPythonPackage rec {
+  pname = "urllib3";
+  version = "1.26.9";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-qrrxZHeAal4d0ZqkH4wreVDdPHRjYtfjIj2+beasRI4=";
+  };
+
+  propagatedBuildInputs = [
+    brotli
+    pysocks
+  ] ++ lib.optionals isPy27 [
+    cryptography
+    idna
+    pyopenssl
+  ];
+
+  checkInputs = [
+    python-dateutil
+    mock
+    pytest-freezegun
+    pytest-timeout
+    pytestCheckHook
+    tornado
+    trustme
+  ];
+
+  # Tests in urllib3 are mostly timeout-based instead of event-based and
+  # are therefore inherently flaky. On your own machine, the tests will
+  # typically build fine, but on a loaded cluster such as Hydra random
+  # timeouts will occur.
+  #
+  # The urllib3 test suite has two different timeouts in their test suite
+  # (see `test/__init__.py`):
+  # - SHORT_TIMEOUT
+  # - LONG_TIMEOUT
+  # When CI is in the env, LONG_TIMEOUT will be significantly increased.
+  # Still, failures can occur and for that reason tests are disabled.
+  doCheck = false;
+
+  preCheck = ''
+    export CI # Increases LONG_TIMEOUT
+  '';
+
+  pythonImportsCheck = [
+    "urllib3"
+  ];
+
+  meta = with lib; {
+    description = "Powerful, sanity-friendly HTTP client for Python";
+    homepage = "https://github.com/shazow/urllib3";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}