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/flowlogs_reader/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, boto3
+, botocore
+, buildPythonPackage
+, fetchFromGitHub
+, parquet
+, pytestCheckHook
+, python-dateutil
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "flowlogs-reader";
+  version = "3.2.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "obsrvbl";
+    repo = pname;
+    # https://github.com/obsrvbl/flowlogs-reader/issues/57
+    rev = "fac4c6c63348ff67fd0a8f51d391ba7c9f59e5ed";
+    hash = "sha256-bGb2CLp33aIr0R/lBPWAF3CbtVTWpqmcvYgZ6bcARTc=";
+  };
+
+  propagatedBuildInputs = [
+    botocore
+    boto3
+    parquet
+    python-dateutil
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "flowlogs_reader"
+  ];
+
+  meta = with lib; {
+    description = "Python library to make retrieving Amazon VPC Flow Logs from CloudWatch Logs a bit easier";
+    homepage = "https://github.com/obsrvbl/flowlogs-reader";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ cransom ];
+  };
+}