compiler error fix

Author: rparolin

cuda_bindings/cuda/bindings/_internal/utils.pyx

@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
 cimport cpython
+from cpython.bytes cimport PyBytes_AsString
 from libc.stdint cimport intptr_t
 from libcpp.utility cimport move
 from cython.operator cimport dereference as deref
@@ -130,7 +131,7 @@ cdef int get_nested_resource_ptr(nested_resource[ResT] &in_out_ptr, object obj,
                         f"Expected str or bytes, got {obj_i_type.__name__}")
                 str_len = <size_t>(len(obj_i_bytes)) + 1  # including null termination
                 deref(nested_res_vec)[i].resize(str_len)
-                obj_i_ptr = <char*>(obj_i_bytes)
+                obj_i_ptr = PyBytes_AsString(obj_i_bytes)
                 # cast to size_t explicitly to work around a potentially Cython bug
                 deref(nested_res_vec)[i].assign(obj_i_ptr, obj_i_ptr + <size_t>str_len)
             else: