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/social-auth-core/default.nix

@@ -0,0 +1,63 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, requests
+, oauthlib
+, requests-oauthlib
+, pyjwt
+, cryptography
+, defusedxml
+, python3-openid
+, python-jose
+, python3-saml
+, pytestCheckHook
+, httpretty
+}:
+
+buildPythonPackage rec {
+  pname = "social-auth-core";
+  version = "4.2.0";
+
+  src = fetchFromGitHub {
+    owner = "python-social-auth";
+    repo = "social-core";
+    rev = version;
+    sha256 = "sha256-kaL6sfAyQlzxszCEbhW7sns/mcOv0U+QgplmUd6oegQ=";
+  };
+
+  # Disable checking the code coverage
+  prePatch = ''
+    substituteInPlace social_core/tests/requirements.txt \
+      --replace "coverage>=3.6" "" \
+      --replace "pytest-cov>=2.7.1" ""
+
+    substituteInPlace tox.ini \
+      --replace "{posargs:-v --cov=social_core}" "{posargs:-v}"
+  '';
+
+  propagatedBuildInputs = [
+    requests
+    oauthlib
+    requests-oauthlib
+    pyjwt
+    cryptography
+    defusedxml
+    python3-openid
+    python-jose
+    python3-saml
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    httpretty
+  ];
+
+  pythonImportsCheck = [ "social_core" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/python-social-auth/social-core";
+    description = "Python Social Auth - Core";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ n0emis ];
+  };
+}