[I] Remove dead Python <3.5 backports from amber/requirements.txt: typing and dataclasses [texera]

["Yicong-Huang (via GitHub)" <gi...@apache.org>]

Yicong-Huang opened a new issue, #4522:
URL: https://github.com/apache/texera/issues/4522

   ### Task Summary
   
   `amber/requirements.txt` lists two PyPI backport packages that are obsolete for the Python versions this repo supports (3.10–3.13):
   
   - `typing==3.7.4.3` (line 31) — backport of the `typing` stdlib module for Python <3.5. Has been part of the standard library since Python 3.5.
   - `dataclasses==0.6` (line 36) — backport of the `dataclasses` stdlib module for Python <3.7. Has been part of the standard library since Python 3.7.
   
   Installing these on supported versions is at best wasted install time. At worst, the PyPI `typing` package can shadow the stdlib version and cause subtle import/typing bugs because it's pinned to a 3.7-era surface.
   
   Side effect: on Python 3.13, `typing==3.7.4.3` has no prebuilt wheel and is built from source on every CI run (visible in #4519's investigation).
   
   ### Priority
   
   P3 – Low
   
   ### Task Type
   
   Refactor / Cleanup


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Re: [I] Remove dead Python <3.5 backports from amber/requirements.txt: typing and dataclasses [texera]

["Yicong-Huang (via GitHub)" <gi...@apache.org>]

Yicong-Huang closed issue #4522: Remove dead Python <3.5 backports from amber/requirements.txt: typing and dataclasses
URL: https://github.com/apache/texera/issues/4522


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