File "/home/uids0529/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1418, in _write_ninja_file_and_build_library verify_ninja_availability() File "/home/uids0529/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1474, in verify_ninja_availability raise RuntimeError("Ninja is required to load C++ extensions") RuntimeError: Ninja is required to load C++ extensions #26