Reformat logging example code

lectures/debugging-strategies/slides.qmd

@@ -242,8 +242,9 @@ _Make debugging easier with proper logging_
 
 ```Python
 import logging
-logging.basicConfig(filename='output.log', level=logging.WARNING, datefmt='%H:%M:%S',
-    format='[%(asctime)s] %(levelname)-8s in %(pathname)s:%(lineno)d   %(message)s')
+logging.basicConfig(filename='output.log', level=logging.WARNING,
+    datefmt='%H:%M:%S', format='[%(asctime)s] %(levelname)-8s in ' \
+    + '%(pathname)s:%(lineno)d   %(message)s')
 
 logging.warning('Example warning message')
 logging.error('Example error message')