fix ci

Signed-off-by: YunLiu <[email protected]>

Author: KumoLiu

monai/utils/module.py

@@ -652,15 +652,18 @@ def compute_capabilities_after(major: int, minor: int = 0, current_ver_string: s
         True if the current system GPU CUDA compute capability is greater than or equal to the specified version.
     """
     if current_ver_string is None:
+        cuda_available = torch.cuda.is_available()
         pynvml, has_pynvml = optional_import("pynvml")
         if not has_pynvml:  # assuming that the user has Ampere and later GPU
             return True
-
-        pynvml.nvmlInit()
-        handle = pynvml.nvmlDeviceGetHandleByIndex(0)  # get the first GPU
-        major_c, minor_c = pynvml.nvmlDeviceGetCudaComputeCapability(handle)
-        current_ver_string = f"{major_c}.{minor_c}"
-        pynvml.nvmlShutdown()
+        if not cuda_available:
+            return False
+        else:
+            pynvml.nvmlInit()
+            handle = pynvml.nvmlDeviceGetHandleByIndex(0)  # get the first GPU
+            major_c, minor_c = pynvml.nvmlDeviceGetCudaComputeCapability(handle)
+            current_ver_string = f"{major_c}.{minor_c}"
+            pynvml.nvmlShutdown()
 
     ver, has_ver = optional_import("packaging.version", name="parse")
     if has_ver: