Hi, a question on MyPy. It seems it takes a long time to build mypy.pex

[2022-04-12T14:27:05.810Z] 10:27:05.59 [INFO] Completed: Building mypy.pex from build-support/mypy_lockfile.txt
[2022-04-12T14:28:27.628Z] 10:28:22.84 [INFO] Long running tasks:
[2022-04-12T14:28:27.628Z]   86.52s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:28:54.377Z] 10:28:52.92 [INFO] Long running tasks:
[2022-04-12T14:28:54.377Z]   116.60s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:29:26.494Z] 10:29:22.95 [INFO] Long running tasks:
[2022-04-12T14:29:26.494Z]   146.63s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:29:53.033Z] 10:29:52.98 [INFO] Long running tasks:
[2022-04-12T14:29:53.033Z]   176.66s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:30:25.092Z] 10:30:23.03 [INFO] Long running tasks:
[2022-04-12T14:30:25.092Z]   206.71s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:30:57.197Z] 10:30:53.08 [INFO] Long running tasks:
[2022-04-12T14:30:57.197Z]   236.76s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:31:23.761Z] 10:31:23.12 [INFO] Long running tasks:
[2022-04-12T14:31:23.761Z]   266.80s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:31:56.020Z] 10:31:53.18 [INFO] Long running tasks:
[2022-04-12T14:31:56.020Z]   296.86s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:32:28.129Z] 10:32:23.22 [INFO] Long running tasks:
[2022-04-12T14:32:28.129Z]   326.90s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:32:54.681Z] 10:32:53.28 [INFO] Long running tasks:
[2022-04-12T14:32:54.681Z]   356.96s	Installing build-support/lockfile.txt for the resolve `python-default`
[2022-04-12T14:33:27.350Z] 10:33:23.34 [INFO] Long running tasks:
[2022-04-12T14:33:27.350Z]   387.02s	Installing build-support/lockfile.txt for the resolve `python-default`

I am wondering if it is related to the cache issue in MyPy mentioned here https://www.pantsbuild.org/docs/python-check-goal#performance-is-often-slower-than-normal?