fix docker_localhost guess logic

fix docker_localhost guess logic

various fixes (determined-ai#58)

* fix: "bad file descriptor" error with py3.13

The bug is that we were closing the fd beneath a buffered reader, and
then the Popen was trying to close the buffered reader, which was
hitting a double-close error on the underlying fd.

* lint fixes

* chore: bump version to 1.3.2

Changes:
  - Update default postgres version
  - fix double-close error with py3.13

chore: bump version to 1.3.1 (determined-ai#54)

Changes:
  - expand and improve kill_signal support
  - fix a bug where the wrong stage might be killed in some cases

chore: bump version to 1.3.0 (determined-ai#42)

- Allows a "kill_signal" config for master and agent stages

chore: bump version to 1.2.1 (determined-ai#39)

- Fix an import error during initial setup with Python 3.8.
- Relax cwd checks, so pre commands can set up cwd.
- Fix some old configs that no longer worked.

chore: bump version to 1.2.0 (determined-ai#33)

- Allow stage kills and restarts via key bindings
- Update default devcluster.yaml for Determined updates.
- Fix hangs observed on mac
- Other minor fixes

chore: bump version to 1.1.0 (determined-ai#24)

chore: prepare for publishing (determined-ai#12)