$ ./run.sh 
[2021-01-11 15:19:05 +0100] [3572311] [INFO] Starting gunicorn 20.0.4
[2021-01-11 15:19:05 +0100] [3572311] [INFO] Listening at: http://127.0.0.1:8000 (3572311)
[2021-01-11 15:19:05 +0100] [3572311] [INFO] Using worker: sync
[2021-01-11 15:19:05 +0100] [3572313] [INFO] Booting worker with pid: 3572313
Fatal Python error: Segmentation fault

Current thread 0x00007feebfb82740 (most recent call first):
  File "/home/amirouche/tmp/lsmdb/foobar.py", line 9 in app
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 175 in handle_request
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 134 in handle
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 29 in accept
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 67 in run_for_one
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 123 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/base.py", line 140 in init_process
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 583 in spawn_worker
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 616 in spawn_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 545 in manage_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 202 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 72 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 228 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 58 in run
  File "<string>", line 1 in <module>
[2021-01-11 15:19:09 +0100] [3572332] [INFO] Booting worker with pid: 3572332
Fatal Python error: Segmentation fault

Current thread 0x00007feebfb82740 (most recent call first):
  File "/home/amirouche/tmp/lsmdb/foobar.py", line 9 in app
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 175 in handle_request
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 134 in handle
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 29 in accept
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 67 in run_for_one
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 123 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/base.py", line 140 in init_process
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 583 in spawn_worker
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 616 in spawn_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 545 in manage_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 211 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 72 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 228 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 58 in run
  File "<string>", line 1 in <module>
[2021-01-11 15:19:09 +0100] [3572334] [INFO] Booting worker with pid: 3572334
Fatal Python error: Segmentation fault

Current thread 0x00007feebfb82740 (most recent call first):
  File "/home/amirouche/tmp/lsmdb/foobar.py", line 9 in app
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 175 in handle_request
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 134 in handle
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 29 in accept
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 67 in run_for_one
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/sync.py", line 123 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/workers/base.py", line 140 in init_process
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 583 in spawn_worker
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 616 in spawn_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 545 in manage_workers
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/arbiter.py", line 211 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 72 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/base.py", line 228 in run
  File "/home/amirouche/.cache/pypoetry/virtualenvs/lsmdb-cTe2806J-py3.8/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 58 in run
  File "<string>", line 1 in <module>
[2021-01-11 15:19:09 +0100] [3572336] [INFO] Booting worker with pid: 3572336