sage: add nbclassic dependency

+3
+3
pkgs/applications/science/math/sage/sagelib.nix
··· 78 , sphinx 79 , sympy 80 , typing-extensions 81 }: 82 83 assert (!blas.isILP64) && (!lapack.isILP64); ··· 181 sphinx 182 sympy 183 typing-extensions 184 ]; 185 186 preBuild = ''
··· 78 , sphinx 79 , sympy 80 , typing-extensions 81 + , nbclassic 82 }: 83 84 assert (!blas.isILP64) && (!lapack.isILP64); ··· 182 sphinx 183 sympy 184 typing-extensions 185 + 186 + nbclassic 187 ]; 188 189 preBuild = ''