Remove unused import of dpctl in _set_functions.py

Author: ndgrigorian

dpctl/tensor/_set_functions.py

@@ -16,7 +16,6 @@
 
 from typing import NamedTuple
 
-import dpctl
 import dpctl.tensor as dpt
 import dpctl.utils as du
 
@@ -677,19 +676,19 @@ def isin(x, test_elements, /, *, invert=False):
  exec_q = q1
  res_usm_type = x_usm_type
  else:
- exec_q = dpctl.utils.get_execution_queue((q1, q2))
+ exec_q = du.get_execution_queue((q1, q2))
  if exec_q is None:
  raise du.ExecutionPlacementError(
  "Execution placement can not be unambiguously inferred "
  "from input arguments."
  )
- res_usm_type = dpctl.utils.get_coerced_usm_type(
+ res_usm_type = du.get_coerced_usm_type(
  (
  x_usm_type,
  test_usm_type,
  )
  )
- dpctl.utils.validate_usm_type(res_usm_type, allow_none=False)
+ du.validate_usm_type(res_usm_type, allow_none=False)
  sycl_dev = exec_q.sycl_device
 
  x_dt = _get_dtype(x, sycl_dev)