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/pyvisa-py/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, setuptools-scm
+, pyserial
+, pyusb
+, pyvisa
+, typing-extensions
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pyvisa-py";
+  version = "0.5.1";
+
+  src = fetchFromGitHub {
+    owner = "pyvisa";
+    repo = "pyvisa-py";
+    rev = version;
+    hash = "sha256-V1BS+BvHVI8h/rynLnOHvQdIR6RwQrNa2p2S6GQug98=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    pyserial
+    pyusb
+    pyvisa
+    typing-extensions
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postConfigure = ''
+    export SETUPTOOLS_SCM_PRETEND_VERSION="v${version}"
+  '';
+
+  meta = with lib; {
+    description = "PyVISA backend that implements a large part of the Virtual Instrument Software Architecture in pure Python";
+    homepage = "https://github.com/pyvisa/pyvisa-py";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mvnetbiz ];
+  };
+}