[BugFix] Hot fix in setup.py for neuron build (#3537)

setup.py

@@ -168,7 +168,7 @@ class cmake_build_ext(build_ext):
 
 
 def _is_cuda() -> bool:
-    return torch.version.cuda is not None
+    return torch.version.cuda is not None and not _is_neuron()
 
 
 def _is_hip() -> bool: