anchor.diff:  
   buildPythonPackage rec {
     pname = "fastapi";
  -  version = "0.70.1";
  +  version = "0.71.0";
     format = "flit";
   
     disabled = pythonOlder "3.6";
  
positive.code:     owner = "tiangolo";
      repo = pname;
      rev = version;
      sha256 = "sha256-iwjxcAe8h38PPTTDGCxIJSB7zCS0FA0gOcKUjPpk3yg=";
    };
  
    propagatedBuildInputs = [
  
negative.code:   disabledTestPaths = [
      # Disabled tests require orjson which requires rust nightly
      "tests/test_default_response_class.py"
      # Don't test docs and examples
      "docs_src"
    ];
  
    disabledTests = [
  