anchor.diff:    ];
   
     postPatch = ''
  +    substituteInPlace setup.cfg \
  +      --replace "grandalf==0.6" "grandalf" \
  +      --replace "scmrepo==0.0.25" "scmrepo" \
  +      --replace "dvc-data==0.0.16" "dvc-data" \
  +      --replace "dvc-render==0.0.6" "dvc-render"
       substituteInPlace dvc/daemon.py \
         --subst-var-by dvc "$out/bin/dcv"
     '';
  
positive.code:     distro
      dpath
      dvclive
      dvc-render
      flatten-dict
      flufl_lock
  
negative.code:     voluptuous
      zc_lockfile
    ] ++ lib.optional enableGoogle [
      gcsfs
      google-cloud-storage
    ] ++ lib.optional enableAWS [
      aiobotocore
      boto3
      s3fs
    ] ++ lib.optional enableAzure [
      azure-identity
      knack
    ] ++ lib.optional enableSSH [
      bcrypt
    ] ++ lib.optionals (pythonOlder "3.8") [
      importlib-metadata
    ] ++ lib.optionals (pythonOlder "3.9") [
  