🐛 fix(endpoints.py): skip processing empty custom_component_dict to prevent errors

🐛 fix(schemas.py): import field_validator from pydantic instead of Field
🐛 fix(base.py): return None if fields only contain _type key
🐛 fix(flow.py): set default value of description field to an empty string
🐛 fix(base.py): import validator from pydantic instead of field_validator
🐛 fix(conftest.py): change scope of client fixture to function and add autouse=True to ensure it runs for every test

tests/conftest.py

@@ -108,7 +108,7 @@ def session_fixture():
         yield session
 
 
-@pytest.fixture(name="client")
+@pytest.fixture(name="client", scope="function", autouse=True)
 def client_fixture(session: Session):
     def get_session_override():
         return session