[TortoiseORM instrumentation] Fix AttributeError: type object 'Config' has no attribute 'title' (#1575)

* Use pydantic model name as default `title` value

* Update `CHANGELOG.md`

* Format with black

* Lint with `black`

CHANGELOG.md

@@ -27,6 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fix TortoiseORM instrumentation `AttributeError: type object 'Config' has no attribute 'title'`
+  ([#1575](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1575))
 - Fix SQLAlchemy uninstrumentation
   ([#1581](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1581))
 - `opentelemetry-instrumentation-grpc` Fix code()/details() of _OpentelemetryServicerContext.

instrumentation/opentelemetry-instrumentation-tortoiseorm/src/opentelemetry/instrumentation/tortoiseorm/__init__.py

@@ -291,14 +291,19 @@ class TortoiseORMInstrumentor(BaseInstrumentor):
         name = f"pydantic.{func.__name__}"
 
         with self._tracer.start_as_current_span(
-            name, kind=SpanKind.INTERNAL
+            name,
+            kind=SpanKind.INTERNAL,
         ) as span:
             if span.is_recording():
                 span_attributes = {}
 
                 model_config = getattr(modelcls, "Config", None)
                 if model_config:
-                    model_title = getattr(modelcls.Config, "title")
+                    model_title = getattr(
+                        modelcls.Config,
+                        "title",
+                        modelcls.__name__,
+                    )
                     if model_title:
                         span_attributes["pydantic.model"] = model_title