The first time I did 'import tensorflow', the
import line ran for a long time and then complained about
flatbuffers being missing.
Then I ran several commands to install flatbuffers - all of which
I could have sworn claimed it was already there, but then I tried
the import again and it worked.
'import numpy' works too so the env feels complete enough.
My python binaries are coming from ~/miniforge3/bin
$ pip install -U tensorflow-macos --no-deps
That seemed to work for me at least.