error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [20 lines of output]
      fatal: not a git repository (or any of the parent directories): .git
      C:\Users\Nx\AppData\Local\Temp\pip-install-u_fln99t\flash-attn_f68a0c1127ed4af8859a0162fab5cb67\setup.py:78: 
UserWarning: flash_attn was requested, but nvcc was not found.  Are you sure your environment has nvcc available?  If you're installing within a container from https://hub.docker.com/r/pytorch/pytorch, only images whose names contain 'devel' will provide nvcc.
        warnings.warn(
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "C:\Users\Novilsaikumar.A\AppData\Local\Temp\pip-install-u_fln99t\flash-attn_f68a0c1127ed4af8859a0162fab5cb67\setup.py", line 134, in <module>
          CUDAExtension(
        File "C:\Users\Novilsaikumar.A\.conda\envs\test\lib\site-packages\torch\utils\cpp_extension.py", line 1077, in CUDAExtension
          library_dirs += library_paths(cuda=True)
        File "C:\Users\Novilsaikumar.A\.conda\envs\test\lib\site-packages\torch\utils\cpp_extension.py", line 1211, in library_paths
          paths.append(_join_cuda_home(lib_dir))
        File "C:\Users\Novilsaikumar.A\.conda\envs\test\lib\site-packages\torch\utils\cpp_extension.py", line 2419, in _join_cuda_home
          raise OSError('CUDA_HOME environment variable is not set. '
      OSError: CUDA_HOME environment variable is not set. Please set it to your CUDA install root.


      torch.__version__  = 2.3.0+cpu


      [end of output]

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2024 NVIDIA Corporation
Built on Thu_Mar_28_02:30:10_Pacific_Daylight_Time_2024
Cuda compilation tools, release 12.4, V12.4.131
Build cuda_12.4.r12.4/compiler.34097967_0