fix function calling examples

pyproject.toml

@@ -25,6 +25,7 @@ dependencies = [
     "loguru~=0.7.2",
     "Pillow~=10.4.0",
     "protobuf~=4.25.4",
+    "pydantic~=2.8.2",
     "pyloudnorm~=0.1.1",
 ]
 
@@ -42,6 +43,7 @@ examples = [ "python-dotenv~=1.0.1", "flask~=3.0.3", "flask_cors~=4.0.1" ]
 fal = [ "fal-client~=0.4.1" ]
 gladia = [ "websockets~=12.0" ]
 google = [ "google-generativeai~=0.7.2" ]
+gstreamer = [ "pygobject~=3.48.2" ]
 fireworks = [ "openai~=1.37.2" ]
 langchain = [ "langchain~=0.2.14", "langchain-community~=0.2.12", "langchain-openai~=0.1.20" ]
 local = [ "pyaudio~=0.2.14" ]