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/pyfxa/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, buildPythonPackage
+, cryptography
+, fetchPypi
+, grequests
+, hawkauthlib
+, mock
+, pybrowserid
+, pyjwt
+, pytestCheckHook
+, pythonOlder
+, requests
+, responses
+, setuptools
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "pyfxa";
+  version = "0.7.7";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    pname = "PyFxA";
+    inherit version;
+    hash = "sha256-bIXNCM8F9xON7hzyqKHWj9Qot7WtSIkXxwoqdj1lHNs=";
+  };
+
+  propagatedBuildInputs = [
+    cryptography
+    hawkauthlib
+    pybrowserid
+    pyjwt
+    requests
+    setuptools # imports pkg_resources
+    six
+  ];
+
+  checkInputs = [
+    grequests
+    mock
+    responses
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "fxa"
+  ];
+
+  disabledTestPaths = [
+    # Requires network access
+    "fxa/tests/test_core.py"
+    "fxa/tests/test_oauth.py"
+  ];
+
+  meta = with lib; {
+    description = "Firefox Accounts client library";
+    homepage = "https://github.com/mozilla/PyFxA";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ ];
+  };
+}