Python 3.11 ExceptionGroup is incorrectly flagged as type value not ExceptionGroup

[tonybaloney]

Environment data

• Language Server version: v2022.3.4
• OS and version: Windows 11
• Python version: 3.11a7

Expected behavior

PyLance infers except* statements to be of type ExceptionGroup

Actual behavior

PyLance infers exception types as the filter type

Code Snippet / Additional information

try:
    raise ExceptionGroup("Demo", [ValueError("ooops"), ValueError("Whoopsie")])
except* ValueError as e:
    print(e)

See https://peps.python.org/pep-0654/ for the reference on the syntax

[tonybaloney]

CC @iritkatriel

[erictraut]

Thanks for clarifying. When I initially added support for except* in pyright, I didn't have access to a runtime that supported it, so I couldn't validate my assumptions.

This will be fixed in the next release of pyright & pylance.

[debonte]

@tonybaloney, the fix is available in the latest Pylance insiders build (2022.5.0-pre.1). We're not shipping a stable build this week. If you're not using Pylance insiders, you'll see the fix in next week's stable build.

[tonybaloney]

Works a charm. Thanks