\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{positioning, arrows.meta}
\begin{document}
\tikzstyle{edge} = [Latex-]
\tikzstyle{path} = []
\tikzstyle{cycle} = []
\tikzstyle{blocked} = []
\input{graph.tikz}
\end{document}