diff options
Diffstat (limited to 'pkgs/tools/graphics/graphviz/default.nix')
| -rw-r--r-- | pkgs/tools/graphics/graphviz/default.nix | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/tools/graphics/graphviz/default.nix b/pkgs/tools/graphics/graphviz/default.nix index b1689ec234ed..9bc51be695a9 100644 --- a/pkgs/tools/graphics/graphviz/default.nix +++ b/pkgs/tools/graphics/graphviz/default.nix @@ -1,7 +1,7 @@ {stdenv, fetchurl, x11, libpng, libjpeg, expat}: -assert !isNull x11 && !isNull libpng && !isNull libjpeg - && !isNull expat; +assert x11 != null && libpng != null && libjpeg != null + && expat != null; derivation { name = "graphviz-1.10"; |