Raise error when trying to import mesop below py3.11 (#209)

* Raise error when trying to import mesop below py3.11

* Update rc version

* Use python version 3.11 in pre-commit CI

.github/workflows/pipeline.yaml

@@ -204,7 +204,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Set $PY environment variable
         run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
       - uses: actions/cache@v4

fastagency/__about__.py

@@ -1,3 +1,3 @@
 """The fastest way to bring multi-agent workflows to production."""
 
-__version__ = "0.1.0rc0"
+__version__ = "0.1.0rc1"

fastagency/ui/mesop/base.py

@@ -1,3 +1,4 @@
+import sys
 import threading
 from collections.abc import Generator, Iterator
 from contextlib import contextmanager
@@ -8,6 +9,12 @@
 from typing import ClassVar, Optional
 from uuid import uuid4
 
+import typer
+
+if sys.version_info < (3, 11):
+    typer.echo("Error: Mesop requires Python 3.11 or higher", err=True)
+    raise typer.Exit(code=1)
+
 from mesop.bin.bin import FLAGS as MESOP_FLAGS
 from mesop.bin.bin import main as mesop_main