fix: annotation compatibility with python 3.9

CHANGELOG-loongsuite.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+- Add `from __future__ import annotations` to fix Python 3.9 compatibility for union type syntax (`X | Y`)
+  ([#80](https://github.com/alibaba/loongsuite-python-agent/pull/80))
+
 # Added
 
 - `loongsuite-instrumentation-mem0`: add support for mem0

instrumentation-genai/opentelemetry-instrumentation-google-genai/src/opentelemetry/instrumentation/google_genai/generate_content.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # pylint: disable=too-many-lines
+from __future__ import annotations
 
 import copy
 import dataclasses

instrumentation-loongsuite/loongsuite-instrumentation-dify/src/opentelemetry/instrumentation/dify/capture_content.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from opentelemetry import trace as trace_api
 from opentelemetry.instrumentation.dify.env_utils import (
     is_capture_content_enabled,

instrumentation-loongsuite/loongsuite-instrumentation-langchain/src/opentelemetry/instrumentation/langchain/internal/_utils.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import ast
 import logging
 import sys

instrumentation-loongsuite/loongsuite-instrumentation-langchain/tests/instrumentation/langchain/test_langchain_instrumentor.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import asyncio
 import json
 import logging

instrumentation-loongsuite/loongsuite-instrumentation-mcp/tests/mcp_server.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import sys
 
 from opentelemetry import trace

instrumentation-loongsuite/loongsuite-instrumentation-mcp/tests/test_websocket.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import asyncio
 import multiprocessing
 import socket

instrumentation-loongsuite/loongsuite-instrumentation-mem0/src/opentelemetry/instrumentation/mem0/config.py

@@ -2,6 +2,8 @@
 Configuration for Mem0 instrumentation.
 """
 
+from __future__ import annotations
+
 import os
 from dataclasses import dataclass
 from typing import Optional

instrumentation-loongsuite/loongsuite-instrumentation-mem0/tests/conftest.py

@@ -4,6 +4,8 @@
 Provides OTel exporters, VCR configuration, and convenient instrumentor fixtures.
 """
 
+from __future__ import annotations
+
 import json
 import os
 

scripts/generate_instrumentation_readme.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-
 # Copyright The OpenTelemetry Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+
 import logging
 import os