Fix cuda_core cython-lint regressions after hook update.

Keep the pre-commit autoupdate green by cleaning up true dead imports and suppressing false positives from CUDA-major compile-time guards.

Made-with: Cursor

Author: rwgk

cuda_core/cuda/core/_device.pyx

@@ -5,7 +5,6 @@
 from __future__ import annotations
 
 cimport cpython
-from libc.stdint cimport uintptr_t
 
 from cuda.bindings cimport cydriver
 from cuda.core._utils.cuda_utils cimport HANDLE_RETURN

cuda_core/cuda/core/_memory/_managed_memory_resource.pyx

@@ -6,12 +6,11 @@ from __future__ import annotations
 
 from cuda.bindings cimport cydriver
 
-from cuda.core._memory._memory_pool cimport _MemPool, MP_init_create_pool, MP_init_current_pool
-from cuda.core._utils.cuda_utils cimport (
-    HANDLE_RETURN,
-    check_or_create_options,
-)
-from cuda.core._utils.cuda_utils import CUDAError
+from cuda.core._memory._memory_pool cimport _MemPool
+from cuda.core._memory._memory_pool cimport MP_init_create_pool, MP_init_current_pool  # no-cython-lint
+from cuda.core._utils.cuda_utils cimport HANDLE_RETURN
+from cuda.core._utils.cuda_utils cimport check_or_create_options  # no-cython-lint
+from cuda.core._utils.cuda_utils import CUDAError  # no-cython-lint
 
 from dataclasses import dataclass
 import threading

cuda_core/cuda/core/_memory/_memory_pool.pyx

@@ -16,11 +16,11 @@ from cuda.core._resource_handles cimport (
     MemoryPoolHandle,
     DevicePtrHandle,
     create_mempool_handle,
-    create_mempool_handle_ref,
     deviceptr_alloc_from_pool,
     as_cu,
     as_py,
 )
+from cuda.core._resource_handles cimport create_mempool_handle_ref  # no-cython-lint
 
 from cuda.core._utils.cuda_utils cimport (
     HANDLE_RETURN,

cuda_core/cuda/core/graph/_graph_def.pyx

@@ -19,14 +19,13 @@ from cuda.core._resource_handles cimport (
     as_intptr,
     as_py,
     create_graph_handle,
-    create_graph_handle_ref,
     create_graph_node_handle,
 )
 from cuda.core._utils.cuda_utils cimport HANDLE_RETURN
 
 from dataclasses import dataclass
 
-from cuda.core._utils.cuda_utils import driver, handle_return
+from cuda.core._utils.cuda_utils import driver
 
 
 cdef class Condition:
@@ -347,7 +346,7 @@ cdef class GraphDef:
             with nogil:
                 HANDLE_RETURN(cydriver.cuGraphGetNodes(as_cu(self._h_graph), nodes_vec.data(), &num_nodes))
 
-        return set(GraphNode._create(self._h_graph, nodes_vec[i]) for i in range(num_nodes))
+        return {GraphNode._create(self._h_graph, nodes_vec[i]) for i in range(num_nodes)}
 
     def edges(self) -> set:
         """Return all edges in the graph as (from_node, to_node) pairs.
@@ -386,11 +385,11 @@ cdef class GraphDef:
                     HANDLE_RETURN(cydriver.cuGraphGetEdges(
                         as_cu(self._h_graph), from_nodes.data(), to_nodes.data(), &num_edges))
 
-        return set(
+        return {
             (GraphNode._create(self._h_graph, from_nodes[i]),
              GraphNode._create(self._h_graph, to_nodes[i]))
             for i in range(num_edges)
-        )
+        }
 
     @property
     def handle(self) -> driver.CUgraph:

cuda_core/cuda/core/graph/_graph_node.pyx

@@ -44,7 +44,6 @@ from cuda.core._resource_handles cimport (
     as_cu,
     as_intptr,
     as_py,
-    create_event_handle_ref,
     create_graph_handle_ref,
     create_graph_node_handle,
     graph_node_get_graph,
@@ -59,9 +58,8 @@ from cuda.core.graph._utils cimport (
 
 import weakref
 
-from cuda.core import Device
 from cuda.core.graph._adjacency_set_proxy import AdjacencySetProxy
-from cuda.core._utils.cuda_utils import driver, handle_return
+from cuda.core._utils.cuda_utils import driver
 
 # See _cpp/REGISTRY_DESIGN.md (Level 2: Resource Handle -> Python Object)
 _node_registry = weakref.WeakValueDictionary()

cuda_core/cuda/core/graph/_subclasses.pyx

@@ -26,7 +26,6 @@ from cuda.core._resource_handles cimport (
     create_event_handle_ref,
     create_graph_handle_ref,
     create_kernel_handle_ref,
-    create_graph_node_handle,
     graph_node_get_graph,
 )
 from cuda.core._utils.cuda_utils cimport HANDLE_RETURN