Python performer raises an error when the value of k < 1 in vector search query options

[executors.multi_thread_executor] [INFO] Started thread

[2024-02-06 17:35:09,707] [concurrent.futures] [ERROR] exception calling callback for <Future at 0x1063684d0 state=finished raised InvalidArgumentException>

Traceback (most recent call last):

  File "/opt/homebrew/Cellar/python@3.11/3.11.7/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/_base.py", line 340, in _invoke_callbacks

    callback(self)

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/executors/multi_thread_executor.py", line 117, in _workloads_complete

    raise exc

  File "/opt/homebrew/Cellar/python@3.11/3.11.7/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/thread.py", line 58, in run

    result = self.fn(*self.args, **self.kwargs)

             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/executors/multi_thread_executor.py", line 112, in _execute_workloads

    raise e

  File "/opt/homebrew/Cellar/python@3.11/3.11.7/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/thread.py", line 58, in run

    result = self.fn(*self.args, **self.kwargs)

             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/executors/multi_thread_executor.py", line 43, in execute_workload

    workload.execute(results, global_lock, global_counter, stream_owner)

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/workloads/sdk_workload.py", line 38, in execute

    self.execute_command(cmd, executed_cmd_count, results, stream_owner)

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/workloads/sdk_workload.py", line 48, in execute_command

    sdk_command = SdkCommandBuilder.build_command(self._conn, command, executed_command_count)

                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/commands/sdk_command_builder.py", line 44, in build_command

    return SearchCommandBuilder.build_command_v2(cluster_cmd.search_v2, **cmd_kwargs)

           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/commands/search_commands.py", line 775, in build_command_v2

    return SearchQueryCommand.create_v2_command(**cmd_kwargs)

           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/commands/search_commands.py", line 514, in create_v2_command

    command.set_search_request()

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/transactions-fit-performer/performers/python/commands/search_commands.py", line 464, in set_search_request

    queries.append(VectorQuery.create(vq.vector_field_name, [v for v in vq.vector_query], **vq_opts))

                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/python-performer-venv/lib/python3.11/site-packages/couchbase/logic/vector_search.py", line 108, in create

    return cls(field_name, vector, num_candidates=num_candidates, boost=boost)

           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/python-performer-venv/lib/python3.11/site-packages/couchbase/logic/vector_search.py", line 48, in __init__

    self.num_candidates = num_candidates

    ^^^^^^^^^^^^^^^^^^^

  File "/Users/saurabhmishra/Desktop/work/gerrit/FIT/python-performer-venv/lib/python3.11/site-packages/couchbase/logic/vector_search.py", line 88, in num_candidates

    raise InvalidArgumentException('num_candidates must be >= 1.')

couchbase.exceptions.InvalidArgumentException: InvalidArgumentException(<message=num_candidates must be >= 1.>)