Upgrade to vllm 0.17.0 corex v4.1 overlay

vllm/vllm_flash_attn/__init__.py

@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from vllm.vllm_flash_attn.flash_attn_interface import (
+    FA2_AVAILABLE,
+    FA3_AVAILABLE,
+    fa_version_unsupported_reason,
+    flash_attn_varlen_func,
+    get_scheduler_metadata,
+    is_fa_version_supported,
+)
+
+if not (FA2_AVAILABLE or FA3_AVAILABLE):
+    raise ImportError(
+        "vllm.vllm_flash_attn requires the CUDA flash attention extensions "
+        "(_vllm_fa2_C or _vllm_fa3_C). On ROCm, use upstream flash_attn."
+    )
+
+__all__ = [
+    "fa_version_unsupported_reason",
+    "flash_attn_varlen_func",
+    "get_scheduler_metadata",
+    "is_fa_version_supported",
+]