tree e8af3be6146b12be92b94c142bb7d88af4ba84f2
parent 17856ed8424bb99bf2e698e903703793949151fc
author Phoenix Meadowlark <meadowlark@google.com> 1607476848 -0800
committer GitHub <noreply@github.com> 1607476848 -0800
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Use recommended python3.6 APIs and document 3.7 upgrades (#4134)

- Remove remaining %-string substitutions (`absl.logging` excluded).
- Replace all `subprocess.check_*` calls with the recommended `subprocess.run(check=True,...)`.
- Add TODO(#4131) for the following:
  - `python>=3.7: Use postponed type annotations.`
  - `python>=3.7: Consider using a dataclass.`
  - `python>=3.7: Use capture_output=True.`
  - `python>=3.7: Replace 'universal_newlines' with 'text'.`
  - `python>=3.7: Remove redundant OrderedDict.`