Strip cuda name from torch version

setup.py

@@ -51,11 +51,12 @@ class CustomInstallCommand(install):
 
         # Determine the version numbers that will be used to determine the correct wheel
         _, cuda_version_raw = get_cuda_bare_metal_version(CUDA_HOME)
-        torch_version = torch.__version__
+        torch_version_raw = parse(torch.__version__)
         python_version = f"cp{sys.version_info.major}{sys.version_info.minor}"
         platform_name = get_platform()
         flash_version = get_package_version()
         cuda_version = f"{cuda_version_raw.major}{cuda_version_raw.minor}"
+        torch_version = f"{torch_version_raw.major}.{torch_version_raw.minor}.{torch_version_raw.micro}"
 
         # Determine wheel URL based on CUDA version, torch version, python version and OS
         wheel_filename = f'flash_attn-{flash_version}+cu{cuda_version}torch{torch_version}-{python_version}-{python_version}-{platform_name}.whl'