Update msal-logging-python.md

Author: hamidfadili

articles/active-directory/develop/msal-logging-python.md

@@ -64,7 +64,7 @@ from opencensus.ext.azure.log_exporter import AzureLogHandler
 
 APP_INSIGHTS_KEY = os.getenv('APP_INSIGHTS_KEY')
 
-logging.getLogger("msal").addHandler(AzureLogHandler(connection_string='InstrumentationKey={0}'.format(APP_INSIGHTS_KEY))
+logging.getLogger("msal").addHandler(AzureLogHandler(connection_string='InstrumentationKey={0}'.format(APP_INSIGHTS_KEY)))
 ```
 
 ### Personal and organizational data in Python