Fixed some missing imports

nessa/logger.py

@@ -7,11 +7,11 @@ logging.basicConfig(level=logging.INFO,
                     datefmt='%Y-%m-%d %H:%M:%S')
 
 # Create a rotating file handler which logs even debug messages
-log_file = 'dolly.log'
+log_file = 'nessa.log'
 handler = RotatingFileHandler(log_file, maxBytes=100000, backupCount=3)
 formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
 handler.setFormatter(formatter)
 
-logger = logging.getLogger('Dolly')
+logger = logging.getLogger('Nessa')
 logger.addHandler(handler)
 logger.setLevel(logging.INFO)