[Bug]: ResourceWarning: unclosed file

[valentinsulzer]

liionpack Version

0.2.1

Python Version

3.9

Describe the bug

Lots of ResourceWarning about unclosed files when running the unit tests

Steps to Reproduce

Run python -m unittest

Expected behaviour

No warnings

Relevant log output

/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:993: ResourceWarning: unclosed file <_io.BufferedWriter name=35>
  self._kill_process_impl(
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/asyncio/selector_events.py:248: ResourceWarning: unclosed file <_io.FileIO name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/redis.out' mode='ab' closefd=True>
  transport = self._transports[fileno]
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/asyncio/selector_events.py:248: ResourceWarning: unclosed file <_io.FileIO name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/redis.err' mode='ab' closefd=True>
  transport = self._transports[fileno]
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/asyncio/selector_events.py:248: ResourceWarning: unclosed file <_io.FileIO name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/redis-shard_0.out' mode='ab' closefd=True>
  transport = self._transports[fileno]
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/asyncio/selector_events.py:248: ResourceWarning: unclosed file <_io.FileIO name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/redis-shard_0.err' mode='ab' closefd=True>
  transport = self._transports[fileno]
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:913: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/gcs_server.out' mode='a' encoding='utf-8'>
  self.start_gcs_server()
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:913: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/gcs_server.err' mode='a' encoding='utf-8'>
  self.start_gcs_server()
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:915: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/monitor.out' mode='a' encoding='utf-8'>
  self.start_monitor()
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:915: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/monitor.err' mode='a' encoding='utf-8'>
  self.start_monitor()
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:957: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/raylet.out' mode='a' encoding='utf-8'>
  self.start_raylet(plasma_directory, object_store_memory)
/usr/local/Caskroom/miniforge/base/envs/lipack/lib/python3.9/site-packages/ray/node.py:957: ResourceWarning: unclosed file <_io.TextIOWrapper name='/tmp/ray/session_2022-02-09_11-11-24_988045_16608/logs/raylet.err' mode='a' encoding='utf-8'>
  self.start_raylet(plasma_directory, object_store_memory)

Additional context

No response

[TomTranter]

This issue is in ray itself and occurs for us when running unittests but not when running the same scripts interactively in spyder. There is a PR open ray-project/ray#22419 to fix but has gone stale