Fix import Annotated typing

.github/workflows/publish-workflow.yaml

@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.8
+    - name: Set up Python 3.13
       uses: actions/setup-python@v4
       with:
-        python-version: "3.8"
+        python-version: "3.13"
         cache: 'pip'
     - name: Install requirements
       run: |

g4f/api/__init__.py

@@ -27,7 +27,12 @@ from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from fastapi.middleware.cors import CORSMiddleware
 from starlette.responses import FileResponse
 from pydantic import BaseModel, Field
-from typing import Union, Optional, List, Annotated
+from typing import Union, Optional, List
+try:
+    from typing import Annotated
+except ImportError:
+    class Annotated:
+        pass
 
 import g4f
 import g4f.debug
@@ -456,8 +461,6 @@ class Api:
 
             return FileResponse(target, media_type=content_type)
 
-        
-
 def format_exception(e: Union[Exception, str], config: Union[ChatCompletionsConfig, ImageGenerationConfig] = None, image: bool = False) -> str:
     last_provider = {} if not image else g4f.get_last_provider(True)
     provider = (AppConfig.image_provider if image else AppConfig.provider)