Update manual.py

Author: lzchen

azure-monitor-opentelemetry/samples/tracing/manual.py

@@ -3,10 +3,9 @@
 # Licensed under the MIT License. See License in the project root for
 # license information.
 # --------------------------------------------------------------------------
-from sqlalchemy import create_engine, text
-
 from azure.monitor.opentelemetry import configure_azure_monitor
 from opentelemetry.instrumentation.sqlalchemy import SQLAlchemyInstrumentor
+from sqlalchemy import create_engine, text
 
 configure_azure_monitor(
     connection_string="<your-connection-string>",