Attempt to modify a readonly table script

Hi Folks,
I'm getting the error below when trying to run tasks. It does look like a bug or a version compatibility issue. I tried flushing all redis, without success.
If anything, I'm at least not able to understand my mistake from the logs:

import tasktiger

tiger = tasktiger.TaskTiger(
    connection=StrictRedis(
        host=os.environ.get("REDIS_HOST"),
        port=int(os.environ.get("REDIS_PORT")),
        username=os.environ.get("REDIS_USERNAME", None),
        password=os.environ.get("REDIS_PASSWORD", None),
        db=0,
        decode_responses=True,
    ),
)

def schedule_miner_task(miner_id, delay=0):
    task = tasktiger.Task(tiger, miner_task, args=[miner_id])
    task.delay(when=delay)


@tiger.task(unique=True)
def miner_task(miner_id):
    miner = _find_miner_by_id(miner_id)

    if miner is not None:
        handle_process_miner(miner)

Redis version: 7.0.3
tasktiger version: 0.16.1

2022-11-21 06:47.15 [info     ] ready                          exclude_queues=[] id=30eec0d9-ad7d-4728-80dd-95c946898bfc max_workers=None pid=1 queues=[] single_worker_queues=[]
 2022-11-21 06:48.15 [info     ] stats                          pid=1 time_busy=0 time_total=60.00238370895386 utilization=0.0
 2022-11-21 06:49.15 [info     ] stats                          pid=1 time_busy=0 time_total=60.008546590805054 utilization=0.0
 2022-11-21 06:49.43 [debug    ] new queue                      pid=1 queue=default
 2022-11-21 06:49.43 [debug    ] moved tasks                    dest_queue=active pid=1 qty=1 queue=default src_queue=queued
 2022-11-21 06:49.43 [info     ] processing                     child_pid=16 func=miners.task:miner_task params={'args': ['637b12468e1139bdf913c98e'], 'kwargs': {}} pid=1 queue=default task_id=0413d2b4defb6f8a744e1c3efb75bf9edaca3aed99bc645473025e67423ca2f7
 2022-11-21 06:49.43 [debug    ] processed                      attempted=1 pid=1 processed=1 queue=default
 2022-11-21 06:49.43 [error    ] task error                     exception_name=builtins:KeyError func=miners.task:miner_task pid=1 processing_duration=0.0664057731628418 queue=default task_args=['637b12468e1139bdf913c98e'] task_id=0413d2b4defb6f8a744e1c3efb75bf9edaca3aed99bc645473025e67423ca2f7 task_kwargs={} time_failed=1669013383.275227 traceback=Traceback (most recent call last)

## My stack trace with my error in handle_process_miner
## then...

2022-11-21 06:49.43 [error    ] exception                      pid=1
Traceback (most recent call last):
   File "/app/server.py", line 47, in <module>
     tiger.run_worker()
   File "/usr/local/lib/python3.9/site-packages/tasktiger/tasktiger.py", line 385, in run_worker
     worker.run()
   File "/usr/local/lib/python3.9/site-packages/tasktiger/worker.py", line 1219, in run
     self._worker_run()
   File "/usr/local/lib/python3.9/site-packages/tasktiger/worker.py", line 1099, in _worker_run
     task_ids, processed_count = self._process_from_queue(queue)
   File "/usr/local/lib/python3.9/site-packages/tasktiger/worker.py", line 877, in _process_from_queue
     processed_count = self._process_queue_tasks(
   File "/usr/local/lib/python3.9/site-packages/tasktiger/worker.py", line 815, in _process_queue_tasks
     self._finish_task_processing(queue, task, success, now)
   File "/usr/local/lib/python3.9/site-packages/tasktiger/worker.py", line 1079, in _finish_task_processing
     task._move(from_state=ACTIVE, to_state=state, when=when)
   File "/usr/local/lib/python3.9/site-packages/tasktiger/task.py", line 321, in _move
     scripts.execute_pipeline(pipeline)
   File "/usr/local/lib/python3.9/site-packages/tasktiger/redis_scripts.py", line 544, in execute_pipeline
     raw_results = self._execute_pipeline(
   File "/usr/local/lib/python3.9/site-packages/redis-3.5.3-py3.9.egg/redis/client.py", line 4073, in __call__
     return client.evalsha(self.sha, len(keys), *args)
   File "/usr/local/lib/python3.9/site-packages/redis-3.5.3-py3.9.egg/redis/client.py", line 3143, in evalsha
     return self.execute_command('EVALSHA', sha, numkeys, *keys_and_args)
   File "/usr/local/lib/python3.9/site-packages/redis-3.5.3-py3.9.egg/redis/client.py", line 901, in execute_command
     return self.parse_response(conn, command_name, **options)
   File "/usr/local/lib/python3.9/site-packages/redis-3.5.3-py3.9.egg/redis/client.py", line 915, in parse_response
     response = connection.read_response()
   File "/usr/local/lib/python3.9/site-packages/redis-3.5.3-py3.9.egg/redis/connection.py", line 756, in read_response
     raise response
 redis.exceptions.ResponseError: user_script:50: Attempt to modify a readonly table script: 2020188d5e7d3d717c70cee65ed1674041eab216, on @user_script:50.

Start with task.py in _move and redis_scripts.py in execute_pipeline, then reproduce the failure using tasktiger 0.16.1, redis-py 3.5.3, and Redis 7.0.3. Trace the Lua script reported at user_script:50 and determine why the task state transition attempts to modify a readonly table. Done means the worker completes the transition without this ResponseError on the stated versions.