'"x" is not accessed' when used as kwarg in class definition that's not metaclass

[asleep-cult]

Environment data

• Language Server version: 2021.5.1
• OS and version: Windows 10 Home build 19041.928
• Python version (& distribution if applicable, e.g. Anaconda): Python 3.9.2 (tags/v3.9.2:1a79785, Feb 19 2021, 13:44:55) [MSC v.1928 64 bit (AMD64)] on win32

Expected behaviour

There should be no '"x" is not accessed' message.

Actual behaviour

There is an '"x" is not accessed' message when x is used as a kwarg in a class definition that's not metaclass.

Logs

[Info  - 4:53:59 PM] Pylance language server 2021.5.1 (pyright df8b6b3c) starting
[Info  - 4:53:59 PM] Server root directory: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist
[Info  - 4:53:59 PM] No configuration file found.
[Info  - 4:53:59 PM] No pyproject.toml file found.
[Info  - 4:53:59 PM] Setting pythonPath for service "new-snakecord": "C:\Users\User\AppData\Local\Programs\Python\Python39\python.exe"
[Warn  - 4:53:59 PM] stubPath c:\Development\new-snakecord\typings is not a valid directory.
[Info  - 4:53:59 PM] Assuming Python version 3.9
[Info  - 4:53:59 PM] Assuming Python platform Windows
Search paths for c:\Development\new-snakecord
  c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib
  c:\Development\new-snakecord
  C:\Users\User\AppData\Local\Programs\Python\Python39
  c:\Development\new-snakecord\typings
  c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stubs\...
  c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\bundled\stubs
  C:\Users\User\AppData\Local\Programs\Python\Python39
  C:\Users\User\AppData\Local\Programs\Python\Python39\DLLs
  C:\Users\User\AppData\Local\Programs\Python\Python39\lib
  C:\Users\User\AppData\Roaming\Python\Python39\site-packages
  C:\Users\User\AppData\Local\Programs\Python\Python39\lib\site-packages
[Info  - 4:53:59 PM] Searching for source files
[Info  - 4:53:59 PM] Found 37 source files
[Info  - 4:53:59 PM] Background analysis(1) root directory: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist
[Info  - 4:53:59 PM] Background analysis(1) started
Background analysis message: setConfigOptions
Background analysis message: ensurePartialStubPackages
Background analysis message: setTrackedFiles
Background analysis message: markAllFilesDirty
Background analysis message: setFileOpened
Background analysis message: getSemanticTokens full
[BG(1)] getSemanticTokens full at c:\Development\new-snakecord\snakecord\snakecord\test.py ...
[BG(1)]   parsing: c:\Development\new-snakecord\snakecord\snakecord\test.py (23ms)
[BG(1)]   parsing: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\builtins.pyi [fs read 7ms] (230ms)
[BG(1)]   binding: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\builtins.pyi (75ms)
[BG(1)]   binding: c:\Development\new-snakecord\snakecord\snakecord\test.py (0ms)
[BG(1)]   parsing: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\typing.pyi [fs read 8ms] (98ms)
[BG(1)]   binding: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\typing.pyi (41ms)
[BG(1)]   parsing: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\_typeshed\__init__.pyi [fs read 3ms] (16ms)
[BG(1)]   binding: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\_typeshed\__init__.pyi (3ms)
[BG(1)]   parsing: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\typing_extensions.pyi [fs read 1ms] (11ms)
[BG(1)]   binding: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\typing_extensions.pyi (3ms)
[BG(1)]   parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\__init__.py [fs read 0ms] (1ms)
[BG(1)]   binding: c:\Development\new-snakecord\snakecord\snakecord\utils\__init__.py ...
[BG(1)]     parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\events.py [fs read 0ms] (18ms)
[BG(1)]     binding: c:\Development\new-snakecord\snakecord\snakecord\utils\events.py (10ms)
[BG(1)]     parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\json.py [fs read 0ms] (14ms)
[BG(1)]     binding: c:\Development\new-snakecord\snakecord\snakecord\utils\json.py (5ms)
[BG(1)]     parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\misc.py [fs read 0ms] (3ms)
[BG(1)]     binding: c:\Development\new-snakecord\snakecord\snakecord\utils\misc.py (0ms)
[BG(1)]     parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\snowflake.py [fs read 0ms] (8ms)
[BG(1)]     binding: c:\Development\new-snakecord\snakecord\snakecord\utils\snowflake.py (5ms)
[BG(1)]     parsing: c:\Development\new-snakecord\snakecord\snakecord\utils\undefined.py [fs read 1ms] (3ms)
[BG(1)]     binding: c:\Development\new-snakecord\snakecord\snakecord\utils\undefined.py (0ms)
[BG(1)]   binding: c:\Development\new-snakecord\snakecord\snakecord\utils\__init__.py (70ms)
[BG(1)] getSemanticTokens full at c:\Development\new-snakecord\snakecord\snakecord\test.py (630ms)
Background analysis message: getSemanticTokens range
[BG(1)] getSemanticTokens range 0:0 - 5:0 at c:\Development\new-snakecord\snakecord\snakecord\test.py (1ms)
Background analysis message: analyze
[BG(1)] analyzing: c:\Development\new-snakecord\snakecord\snakecord\test.py ...
[BG(1)]   checking: c:\Development\new-snakecord\snakecord\snakecord\test.py (7ms)
[BG(1)] analyzing: c:\Development\new-snakecord\snakecord\snakecord\test.py (8ms)
Background analysis message: resumeAnalysis
Background analysis message: getDiagnosticsForRange
Background analysis message: getDiagnosticsForRange
[FG] parsing: c:\Development\new-snakecord\snakecord\snakecord\test.py (16ms)
[FG] parsing: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\builtins.pyi [fs read 4ms] (140ms)
[FG] binding: c:\Users\User\.vscode\extensions\ms-python.vscode-pylance-2021.5.1\dist\typeshed-fallback\stdlib\builtins.pyi (54ms)
[FG] binding: c:\Development\new-snakecord\snakecord\snakecord\test.py (0ms)

Code Snippet / Additional information

from .utils import EventDispatcher


class Something(a=EventDispatcher):
    pass

[erictraut]

Thanks for the bug report. This will be fixed in the next release.

[jakebailey]

This issue has been fixed in version 2021.5.3, which we've just released. You can find the changelog here: https://github.com/microsoft/pylance-release/blob/main/CHANGELOG.md#202153-19-may-2021

[ChrisCarucci]

That's funny, I'm getting this error with the updated version.

[erictraut]

@ChrisCarucci, this issue is closed. If you think that you are experiencing a bug, please open a new issue.