Python: Bump Py version to 1.0.0b251218 for a release. Update CHANGELOG (#2968)

* Bump Py version to 1.0.0b251218 for a release. Update CHANGELOG

* update lock

* Fix formatting

* Fix ChatKit typing

python/packages/core/agent_framework/_workflows/_handoff.py

@@ -871,8 +871,10 @@ class HandoffBuilder:
             HandoffBuilder(participants=[coordinator, refund, shipping])
             .set_coordinator(coordinator)
             .with_termination_condition(
-                lambda conv: sum(1 for msg in conv if msg.role.value == "user") >= 5
-                or any("goodbye" in msg.text.lower() for msg in conv[-2:])
+                lambda conv: (
+                    sum(1 for msg in conv if msg.role.value == "user") >= 5
+                    or any("goodbye" in msg.text.lower() for msg in conv[-2:])
+                )
             )
             .build()
         )

python/packages/core/pyproject.toml

@@ -4,7 +4,7 @@ description = "Microsoft Agent Framework for building AI Agents with Python. Thi
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251216"
+version = "1.0.0b251218"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

python/packages/core/tests/workflow/test_workflow_builder.py

@@ -245,7 +245,8 @@ def test_register_multiple_executors():
 
     # Build workflow with edges using registered names
     workflow = (
-        builder.set_start_executor("ExecutorA")
+        builder
+        .set_start_executor("ExecutorA")
         .add_edge("ExecutorA", "ExecutorB")
         .add_edge("ExecutorB", "ExecutorC")
         .build()
@@ -426,7 +427,8 @@ def test_register_with_fan_in_edges():
     # Add fan-in edges using registered names
     # Both Source1 and Source2 need to be reachable, so connect Source1 to Source2
     workflow = (
-        builder.set_start_executor("Source1")
+        builder
+        .set_start_executor("Source1")
         .add_edge("Source1", "Source2")
         .add_fan_in_edges(["Source1", "Source2"], "Aggregator")
         .build()