Not offering autocomplete inside list

[tombohub]

Environment data

pylance - v2021.5.2

• Language Server version: v2021.5.2
• OS and version: Win10, WSL1
• Python version (& distribution if applicable, e.g. Anaconda): 3.8 Miniconda, using .venv

Expected behaviour

To offer dataclass attributes autocomplete inside list

Actual behaviour

Not offering autocomplete inside list

Logs

No logs

Code Snippet / Additional information

# self._prices : PricesSelectResult

@dataclass
class PricesResultColumns:
    timestamp       : str = PricesDataFields.timestamp
    symbol          : str = PricesDataFields.symbol
    open            : str = PricesDataFields.open
    high            : str = PricesDataFields.high
    low             : str = PricesDataFields.low
    close           : str = PricesDataFields.close
    volume          : str = PricesDataFields.volume
    security_type   : str = SecuritiesDataFields.security_type

@dataclass(frozen=True)
class PricesSelectResult:
    data: pd.DataFrame
    c: PricesResultColumns = PricesResultColumns()

[jakebailey]

This feels like sort of parser recovery bug. Note the highlighting for the variables is lost once the expression ends in a .:

Without even using dataclasses:

[bschnurr]

This issue has been fixed in version 2021.10.2, which we've just released. You can find the changelog here: https://github.com/microsoft/pylance-release/blob/main/CHANGELOG.md#2021102-20-october-2021