I can't figure out why attrs==21.1 is selected and not 21.2

[gwww]

Everything in the -vvv logs suggest 21.2 should be selected. Wondering if I don't understand resolution properly or if this is a bug. The repo with the pyproject.toml is here: https://github.com/gwww/elkm1. -vvv log output follows:

Creating virtualenv elkm1-lib in /Users/glenn/Development/automation/elkm1_lib/.venv
Using virtualenv: /Users/glenn/Development/automation/elkm1_lib/.venv
Updating dependencies
Resolving dependencies...
   1: fact: elkm1-lib is 2.2.0
   1: derived: elkm1-lib
   1: fact: elkm1-lib depends on pyserial-asyncio (>= 0.5)
   1: fact: elkm1-lib depends on async-timeout (>= 4.0)
   1: fact: elkm1-lib depends on attrs (>=21.2)
   1: fact: elkm1-lib depends on black (>= 22.3)
   1: fact: elkm1-lib depends on colorlog (>= 4.0)
   1: fact: elkm1-lib depends on isort (>= 5.10)
   1: fact: elkm1-lib depends on mypy (>= 0.9)
   1: fact: elkm1-lib depends on pylint (>= 2)
   1: fact: elkm1-lib depends on pytest (>= 7.2)
   1: fact: elkm1-lib depends on pytest-asyncio (>= 0.18)
   1: fact: elkm1-lib depends on urwid (>= 2.0)
   1: selecting elkm1-lib (2.2.0)
   1: derived: urwid (>=2.0)
   1: derived: pytest-asyncio (>=0.18)
   1: derived: pytest (>=7.2)
   1: derived: pylint (>=2)
   1: derived: mypy (>=0.9)
   1: derived: isort (>=5.10)
   1: derived: colorlog (>=4.0)
   1: derived: black (>=22.3)
   1: derived: attrs (>=21.2)
   1: derived: async-timeout (>=4.0)
   1: derived: pyserial-asyncio (>=0.5)
   1: fact: pytest (7.2.0) depends on attrs (>=19.2.0)
   1: fact: pytest (7.2.0) depends on iniconfig (*)
   1: fact: pytest (7.2.0) depends on packaging (*)
   1: fact: pytest (7.2.0) depends on pluggy (>=0.12,<2.0)
   1: fact: pytest (7.2.0) depends on exceptiongroup (>=1.0.0rc8)
   1: fact: pytest (7.2.0) depends on tomli (>=1.0.0)
   1: fact: pytest (7.2.0) depends on colorama (*)
   1: selecting pytest (7.2.0)
   1: derived: colorama
   1: derived: tomli (>=1.0.0)
   1: derived: exceptiongroup (>=1.0.0rc8)
   1: derived: pluggy (>=0.12,<2.0)
   1: derived: packaging
   1: derived: iniconfig
   1: selecting isort (5.10.1)
   1: fact: pyserial-asyncio (0.6) depends on pyserial (*)
   1: selecting pyserial-asyncio (0.6)
   1: derived: pyserial
   1: selecting async-timeout (4.0.2)
   1: fact: black (22.10.0) depends on click (>=8.0.0)
   1: fact: black (22.10.0) depends on mypy-extensions (>=0.4.3)
   1: fact: black (22.10.0) depends on pathspec (>=0.9.0)
   1: fact: black (22.10.0) depends on platformdirs (>=2)
   1: fact: black (22.10.0) depends on tomli (>=1.1.0)
   1: selecting black (22.10.0)
   1: derived: tomli (>=1.1.0)
   1: derived: platformdirs (>=2)
   1: derived: pathspec (>=0.9.0)
   1: derived: mypy-extensions (>=0.4.3)
   1: derived: click (>=8.0.0)
   1: selecting mypy-extensions (0.4.3)
   1: selecting pathspec (0.10.2)
   1: selecting attrs (22.1.0)
   1: selecting pluggy (1.0.0)
   1: selecting urwid (2.1.2)
   1: selecting iniconfig (1.1.1)
   1: fact: pytest-asyncio (0.20.2) depends on pytest (>=6.1.0)
   1: selecting pytest-asyncio (0.20.2)
   1: fact: click (8.1.3) depends on colorama (*)
   1: selecting click (8.1.3)
   1: selecting platformdirs (2.5.4)
   1: selecting pyserial (3.5)
   1: fact: colorlog (6.7.0) depends on colorama (*)
   1: selecting colorlog (6.7.0)
   1: fact: packaging (21.3) depends on pyparsing (>=2.0.2,<3.0.5 || >3.0.5)
   1: selecting packaging (21.3)
   1: derived: pyparsing (>=2.0.2,!=3.0.5)
   1: selecting pyparsing (3.0.9)
   1: fact: pylint (2.15.6) depends on dill (>=0.2)
   1: fact: pylint (2.15.6) depends on platformdirs (>=2.2.0)
   1: fact: pylint (2.15.6) depends on astroid (>=2.12.12,<=2.14.0-dev0)
   1: fact: pylint (2.15.6) depends on isort (>=4.2.5,<6)
   1: fact: pylint (2.15.6) depends on mccabe (>=0.6,<0.8)
   1: fact: pylint (2.15.6) depends on tomlkit (>=0.10.1)
   1: fact: pylint (2.15.6) depends on tomli (>=1.1.0)
   1: fact: pylint (2.15.6) depends on colorama (>=0.4.5)
   1: selecting pylint (2.15.6)
   1: derived: colorama (>=0.4.5)
   1: derived: tomlkit (>=0.10.1)
   1: derived: mccabe (>=0.6,<0.8)
   1: derived: astroid (>=2.12.12,<=2.14.0-dev0)
   1: derived: dill (>=0.2)
   0: Duplicate dependencies for wrapt
   0: Different requirements found for wrapt (>=1.11,<2) with markers python_version < "3.11" and wrapt (>=1.14,<2) with markers python_version >= "3.11".
   1: Version solving took 0.271 seconds.
   1: Tried 1 solutions.
   0: Retrying dependency resolution with the following overrides ({Package('astroid', '2.12.13'): {'wrapt': <Dependency wrapt (>=1.11,<2)>}}).
   1: fact: elkm1-lib is 2.2.0
   1: derived: elkm1-lib
   1: fact: elkm1-lib depends on pyserial-asyncio (>= 0.5)
   1: fact: elkm1-lib depends on async-timeout (>= 4.0)
   1: fact: elkm1-lib depends on attrs (>=21.2)
   1: fact: elkm1-lib depends on black (>= 22.3)
   1: fact: elkm1-lib depends on colorlog (>= 4.0)
   1: fact: elkm1-lib depends on isort (>= 5.10)
   1: fact: elkm1-lib depends on mypy (>= 0.9)
   1: fact: elkm1-lib depends on pylint (>= 2)
   1: fact: elkm1-lib depends on pytest (>= 7.2)
   1: fact: elkm1-lib depends on pytest-asyncio (>= 0.18)
   1: fact: elkm1-lib depends on urwid (>= 2.0)
   1: selecting elkm1-lib (2.2.0)
   1: derived: urwid (>=2.0)
   1: derived: pytest-asyncio (>=0.18)
   1: derived: pytest (>=7.2)
   1: derived: pylint (>=2)
   1: derived: mypy (>=0.9)
   1: derived: isort (>=5.10)
   1: derived: colorlog (>=4.0)
   1: derived: black (>=22.3)
   1: derived: attrs (>=21.2)
   1: derived: async-timeout (>=4.0)
   1: derived: pyserial-asyncio (>=0.5)
   1: fact: pytest (7.2.0) depends on attrs (>=19.2.0)
   1: fact: pytest (7.2.0) depends on iniconfig (*)
   1: fact: pytest (7.2.0) depends on packaging (*)
   1: fact: pytest (7.2.0) depends on pluggy (>=0.12,<2.0)
   1: fact: pytest (7.2.0) depends on exceptiongroup (>=1.0.0rc8)
   1: fact: pytest (7.2.0) depends on tomli (>=1.0.0)
   1: fact: pytest (7.2.0) depends on colorama (*)
   1: selecting pytest (7.2.0)
   1: derived: colorama
   1: derived: tomli (>=1.0.0)
   1: derived: exceptiongroup (>=1.0.0rc8)
   1: derived: pluggy (>=0.12,<2.0)
   1: derived: packaging
   1: derived: iniconfig
   1: selecting isort (5.10.1)
   1: fact: pyserial-asyncio (0.6) depends on pyserial (*)
   1: selecting pyserial-asyncio (0.6)
   1: derived: pyserial
   1: selecting async-timeout (4.0.2)
   1: fact: black (22.10.0) depends on click (>=8.0.0)
   1: fact: black (22.10.0) depends on mypy-extensions (>=0.4.3)
   1: fact: black (22.10.0) depends on pathspec (>=0.9.0)
   1: fact: black (22.10.0) depends on platformdirs (>=2)
   1: fact: black (22.10.0) depends on tomli (>=1.1.0)
   1: selecting black (22.10.0)
   1: derived: tomli (>=1.1.0)
   1: derived: platformdirs (>=2)
   1: derived: pathspec (>=0.9.0)
   1: derived: mypy-extensions (>=0.4.3)
   1: derived: click (>=8.0.0)
   1: selecting mypy-extensions (0.4.3)
   1: selecting pathspec (0.10.2)
   1: selecting attrs (22.1.0)
   1: selecting pluggy (1.0.0)
   1: selecting urwid (2.1.2)
   1: selecting iniconfig (1.1.1)
   1: fact: pytest-asyncio (0.20.2) depends on pytest (>=6.1.0)
   1: selecting pytest-asyncio (0.20.2)
   1: fact: click (8.1.3) depends on colorama (*)
   1: selecting click (8.1.3)
   1: selecting platformdirs (2.5.4)
   1: selecting pyserial (3.5)
   1: fact: colorlog (6.7.0) depends on colorama (*)
   1: selecting colorlog (6.7.0)
   1: fact: packaging (21.3) depends on pyparsing (>=2.0.2,<3.0.5 || >3.0.5)
   1: selecting packaging (21.3)
   1: derived: pyparsing (>=2.0.2,!=3.0.5)
   1: selecting pyparsing (3.0.9)
   1: fact: pylint (2.15.6) depends on dill (>=0.2)
   1: fact: pylint (2.15.6) depends on platformdirs (>=2.2.0)
   1: fact: pylint (2.15.6) depends on astroid (>=2.12.12,<=2.14.0-dev0)
   1: fact: pylint (2.15.6) depends on isort (>=4.2.5,<6)
   1: fact: pylint (2.15.6) depends on mccabe (>=0.6,<0.8)
   1: fact: pylint (2.15.6) depends on tomlkit (>=0.10.1)
   1: fact: pylint (2.15.6) depends on tomli (>=1.1.0)
   1: fact: pylint (2.15.6) depends on colorama (>=0.4.5)
   1: selecting pylint (2.15.6)
   1: derived: colorama (>=0.4.5)
   1: derived: tomlkit (>=0.10.1)
   1: derived: mccabe (>=0.6,<0.8)
   1: derived: astroid (>=2.12.12,<=2.14.0-dev0)
   1: derived: dill (>=0.2)
   1: fact: astroid (2.12.13) depends on lazy-object-proxy (>=1.4.0)
   1: fact: astroid (2.12.13) depends on wrapt (>=1.11,<2)
   1: selecting astroid (2.12.13)
   1: derived: wrapt (>=1.11,<2)
   1: derived: lazy-object-proxy (>=1.4.0)
   1: selecting mccabe (0.7.0)
   1: selecting tomlkit (0.11.6)
   1: selecting lazy-object-proxy (1.8.0)
   1: selecting dill (0.3.6)
   1: fact: mypy (0.991) depends on typing-extensions (>=3.10)
   1: fact: mypy (0.991) depends on mypy-extensions (>=0.4.3)
   1: fact: mypy (0.991) depends on tomli (>=1.1.0)
   1: selecting mypy (0.991)
   1: derived: typing-extensions (>=3.10)
   1: selecting typing-extensions (4.4.0)
   1: selecting colorama (0.4.6)
   1: selecting tomli (2.0.1)
   1: selecting exceptiongroup (1.0.4)
   1: selecting wrapt (1.14.1)
   1: Version solving took 0.128 seconds.
   1: Tried 1 solutions.
   0: Retrying dependency resolution with the following overrides ({Package('astroid', '2.12.13'): {'wrapt': <Dependency wrapt (>=1.14,<2)>}}).
   1: fact: elkm1-lib is 2.2.0
   1: derived: elkm1-lib
   1: fact: elkm1-lib depends on pyserial-asyncio (>= 0.5)
   1: fact: elkm1-lib depends on async-timeout (>= 4.0)
   1: fact: elkm1-lib depends on attrs (>=21.2)
   1: fact: elkm1-lib depends on black (>= 22.3)
   1: fact: elkm1-lib depends on colorlog (>= 4.0)
   1: fact: elkm1-lib depends on isort (>= 5.10)
   1: fact: elkm1-lib depends on mypy (>= 0.9)
   1: fact: elkm1-lib depends on pylint (>= 2)
   1: fact: elkm1-lib depends on pytest (>= 7.2)
   1: fact: elkm1-lib depends on pytest-asyncio (>= 0.18)
   1: fact: elkm1-lib depends on urwid (>= 2.0)
   1: selecting elkm1-lib (2.2.0)
   1: derived: urwid (>=2.0)
   1: derived: pytest-asyncio (>=0.18)
   1: derived: pytest (>=7.2)
   1: derived: pylint (>=2)
   1: derived: mypy (>=0.9)
   1: derived: isort (>=5.10)
   1: derived: colorlog (>=4.0)
   1: derived: black (>=22.3)
   1: derived: attrs (>=21.2)
   1: derived: async-timeout (>=4.0)
   1: derived: pyserial-asyncio (>=0.5)
   1: fact: pytest (7.2.0) depends on attrs (>=19.2.0)
   1: fact: pytest (7.2.0) depends on iniconfig (*)
   1: fact: pytest (7.2.0) depends on packaging (*)
   1: fact: pytest (7.2.0) depends on pluggy (>=0.12,<2.0)
   1: fact: pytest (7.2.0) depends on exceptiongroup (>=1.0.0rc8)
   1: fact: pytest (7.2.0) depends on tomli (>=1.0.0)
   1: fact: pytest (7.2.0) depends on colorama (*)
   1: selecting pytest (7.2.0)
   1: derived: colorama
   1: derived: tomli (>=1.0.0)
   1: derived: exceptiongroup (>=1.0.0rc8)
   1: derived: pluggy (>=0.12,<2.0)
   1: derived: packaging
   1: derived: iniconfig
   1: selecting isort (5.10.1)
   1: fact: pyserial-asyncio (0.6) depends on pyserial (*)
   1: selecting pyserial-asyncio (0.6)
   1: derived: pyserial
   1: selecting async-timeout (4.0.2)
   1: fact: black (22.10.0) depends on click (>=8.0.0)
   1: fact: black (22.10.0) depends on mypy-extensions (>=0.4.3)
   1: fact: black (22.10.0) depends on pathspec (>=0.9.0)
   1: fact: black (22.10.0) depends on platformdirs (>=2)
   1: fact: black (22.10.0) depends on tomli (>=1.1.0)
   1: selecting black (22.10.0)
   1: derived: tomli (>=1.1.0)
   1: derived: platformdirs (>=2)
   1: derived: pathspec (>=0.9.0)
   1: derived: mypy-extensions (>=0.4.3)
   1: derived: click (>=8.0.0)
   1: selecting mypy-extensions (0.4.3)
   1: selecting pathspec (0.10.2)
   1: selecting attrs (22.1.0)
   1: selecting pluggy (1.0.0)
   1: selecting urwid (2.1.2)
   1: selecting iniconfig (1.1.1)
   1: fact: pytest-asyncio (0.20.2) depends on pytest (>=6.1.0)
   1: selecting pytest-asyncio (0.20.2)
   1: fact: click (8.1.3) depends on colorama (*)
   1: selecting click (8.1.3)
   1: selecting platformdirs (2.5.4)
   1: selecting pyserial (3.5)
   1: fact: colorlog (6.7.0) depends on colorama (*)
   1: selecting colorlog (6.7.0)
   1: fact: packaging (21.3) depends on pyparsing (>=2.0.2,<3.0.5 || >3.0.5)
   1: selecting packaging (21.3)
   1: derived: pyparsing (>=2.0.2,!=3.0.5)
   1: selecting pyparsing (3.0.9)
   1: fact: pylint (2.15.6) depends on dill (>=0.2)
   1: fact: pylint (2.15.6) depends on platformdirs (>=2.2.0)
   1: fact: pylint (2.15.6) depends on astroid (>=2.12.12,<=2.14.0-dev0)
   1: fact: pylint (2.15.6) depends on isort (>=4.2.5,<6)
   1: fact: pylint (2.15.6) depends on mccabe (>=0.6,<0.8)
   1: fact: pylint (2.15.6) depends on tomlkit (>=0.10.1)
   1: fact: pylint (2.15.6) depends on tomli (>=1.1.0)
   1: fact: pylint (2.15.6) depends on colorama (>=0.4.5)
   1: selecting pylint (2.15.6)
   1: derived: colorama (>=0.4.5)
   1: derived: tomlkit (>=0.10.1)
   1: derived: mccabe (>=0.6,<0.8)
   1: derived: astroid (>=2.12.12,<=2.14.0-dev0)
   1: derived: dill (>=0.2)
   1: fact: astroid (2.12.13) depends on lazy-object-proxy (>=1.4.0)
   1: fact: astroid (2.12.13) depends on wrapt (>=1.14,<2)
   1: selecting astroid (2.12.13)
   1: derived: wrapt (>=1.14,<2)
   1: derived: lazy-object-proxy (>=1.4.0)
   1: selecting mccabe (0.7.0)
   1: selecting tomlkit (0.11.6)
   1: selecting lazy-object-proxy (1.8.0)
   1: selecting dill (0.3.6)
   1: fact: mypy (0.991) depends on typing-extensions (>=3.10)
   1: fact: mypy (0.991) depends on mypy-extensions (>=0.4.3)
   1: fact: mypy (0.991) depends on tomli (>=1.1.0)
   1: selecting mypy (0.991)
   1: derived: typing-extensions (>=3.10)
   1: selecting typing-extensions (4.4.0)
   1: selecting colorama (0.4.6)
   1: selecting wrapt (1.14.1)
   1: selecting tomli (2.0.1)
   1: selecting exceptiongroup (1.0.4)
   1: Version solving took 0.105 seconds.
   1: Tried 1 solutions.
   0: Complete version solving took 0.507 seconds with 2 overrides
   0: Resolved with overrides: ({Package('astroid', '2.12.13'): {'wrapt': <Dependency wrapt (>=1.11,<2)>}}), ({Package('astroid', '2.12.13'): {'wrapt': <Dependency wrapt (>=1.14,<2)>}})

Writing lock file

Finding the necessary packages for the current system

Package operations: 29 installs, 0 updates, 0 removals

  • Installing pyparsing (3.0.9): Pending...
  • Installing pyparsing (3.0.9): Installing...
  • Installing pyparsing (3.0.9)
  • Installing attrs (22.1.0): Pending...
  • Installing attrs (22.1.0): Installing...
  • Installing attrs (22.1.0)
  • Installing exceptiongroup (1.0.4): Pending...
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  • Installing iniconfig (1.1.1): Pending...
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  • Installing lazy-object-proxy (1.8.0): Pending...
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  • Installing packaging (21.3): Pending...
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  • Installing pluggy (1.0.0): Pending...
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  • Installing tomli (2.0.1): Pending...
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  • Installing dill (0.3.6): Pending...
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  • Installing isort (5.10.1): Pending...
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  • Installing mccabe (0.7.0): Pending...
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  • Installing platformdirs (2.5.4): Pending...
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  • Installing pytest (7.2.0): Pending...
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  • Installing typing-extensions (4.4.0): Pending...
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  • Installing typing-extensions (4.4.0)
  • Installing async-timeout (4.0.2): Pending...
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  • Installing async-timeout (4.0.2)
  • Installing black (22.10.0): Pending...
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  • Installing black (22.10.0)
  • Installing colorlog (6.7.0): Pending...
  • Installing colorlog (6.7.0): Installing...
  • Installing colorlog (6.7.0)
  • Installing mypy (0.991): Pending...
  • Installing mypy (0.991): Installing...
  • Installing mypy (0.991)
  • Installing pylint (2.15.6): Pending...
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  • Installing pylint (2.15.6)
  • Installing pyserial-asyncio (0.6): Pending...
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Installing the current project: elkm1-lib (2.2.0)
  - Building package elkm1-lib in editable mode
  - Adding elkm1_lib.pth to /Users/glenn/Development/automation/elkm1_lib/.venv/lib/python3.10/site-packages for /Users/glenn/Development/automation/elkm1_lib
  - Adding the elkm1_lib-2.2.0.dist-info directory to /Users/glenn/Development/automation/elkm1_lib/.venv/lib/python3.10/site-packages

[Secrus]

From this log, I see that Poetry chose attrs == 22.1, not 21.1.

[gwww]

Head slap. Thank you. All the 2's and 1's I read it wrong.