Forgot to add main module logger

pymongoexport_csv.py

@@ -26,6 +26,7 @@ if args.verbose:
 else:
     logging.basicConfig(
         level=logging.ERROR, format=logformat, datefmt=dateformat)
+logger = logging.getLogger(__name__)
 
 # Initialize some variables
 script_dir = os.path.dirname(__file__)