Thanks for this project, I got this issue, I installed Python2.7

Build started...
1>------ Build started: Project: Utils, Configuration: Debug x64 ------
1>graph_plotter.cpp
1>Matplotlib\matplotlib-cpp\matplotlibcpp.h(354,10): error C2766: explicit specialization; 'matplotlibcpp::detail::select_npy_type<int64_t>' has already been defined
1>Matplotlib\matplotlib-cpp\matplotlibcpp.h(345,10): message : see previous definition of 'select_npy_type<__int64>'
1>Matplotlib\matplotlib-cpp\matplotlibcpp.h(356,10): error C2766: explicit specialization; 'matplotlibcpp::detail::select_npy_type<uint64_t>' has already been defined
1>Matplotlib\matplotlib-cpp\matplotlibcpp.h(349,10): message : see previous definition of 'select_npy_type'
1>Done building project "Utils.vcxproj" -- FAILED.
2>------ Build started: Project: GraphLibrary, Configuration: Debug x64 ------
2>GraphLibrary.vcxproj -> x64\Debug\GraphLibrary.exe
========== Build: 1 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
========== Build started at 6:55 PM and took 03,723 seconds ==========