fix import for litestar otl

Author: Artur Shiriev

lite_bootstrap/bootstrappers/litestar_bootstrapper.py

@@ -27,12 +27,14 @@
     import litestar
     from litestar.config.app import AppConfig
     from litestar.config.cors import CORSConfig
-    from litestar.contrib.opentelemetry import OpenTelemetryConfig
     from litestar.openapi import OpenAPIConfig
     from litestar.openapi.plugins import SwaggerRenderPlugin
     from litestar.plugins.prometheus import PrometheusConfig, PrometheusController
     from litestar.static_files import create_static_files_router
 
+if import_checker.is_litestar_opentelemetry_installed:
+    from litestar.contrib.opentelemetry import OpenTelemetryConfig
+
 if import_checker.is_opentelemetry_installed:
     from opentelemetry.trace import get_tracer_provider
 

lite_bootstrap/import_checker.py

@@ -12,3 +12,6 @@
 is_fastapi_opentelemetry_installed = (
     is_opentelemetry_installed and find_spec("opentelemetry.instrumentation.fastapi") is not None
 )
+is_litestar_opentelemetry_installed = (
+    is_opentelemetry_installed and is_litestar_installed and find_spec("opentelemetry.instrumentation.asgi") is not None
+)