runtime error

Space failed to start. Exit code: 1. Reason: Traceback (most recent call last): File "app.py", line 2, in <module> from NTED.NTED_module import NTED File "/home/user/app/NTED/NTED_module.py", line 8, in <module> from NTED.extraction_distribution_model import Generator File "/home/user/app/NTED/extraction_distribution_model.py", line 3, in <module> from NTED.base_module import Encoder, Decoder File "/home/user/app/NTED/base_module.py", line 8, in <module> from NTED.base_function import EncoderLayer, DecoderLayer, ToRGB File "/home/user/app/NTED/base_function.py", line 8, in <module> from NTED.op import FusedLeakyReLU, fused_leaky_relu, upfirdn2d, conv2d_gradfix File "/home/user/app/NTED/op/__init__.py", line 1, in <module> from .fused_act import FusedLeakyReLU, fused_leaky_relu File "/home/user/app/NTED/op/fused_act.py", line 11, in <module> fused = load( File "/home/user/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1202, in load return _jit_compile( File "/home/user/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1425, in _jit_compile _write_ninja_file_and_build_library( File "/home/user/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1506, in _write_ninja_file_and_build_library verify_ninja_availability() File "/home/user/.local/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 1562, in verify_ninja_availability raise RuntimeError("Ninja is required to load C++ extensions") RuntimeError: Ninja is required to load C++ extensions

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