Fix possible use of self.logger before assignment

Author: manisandro

src/config_generator/config_generator.py

@@ -138,6 +138,9 @@ def __init__(self, config_file, logger, cancelled_event, use_cached_project_meta
         :param bool force_readonly_datasets: Whether to force all datasets readonly
         """
 
+        self.logger = Logger(logger)
+        self.cancelled_event = cancelled_event
+
         config_file_dir = os.path.dirname(config_file)
         try:
             with open(config_file, encoding='utf-8') as f:
@@ -148,9 +151,6 @@ def __init__(self, config_file, logger, cancelled_event, use_cached_project_meta
             self.logger.critical(msg)
             raise Exception(msg)
 
-        self.logger = Logger(logger)
-        self.cancelled_event = cancelled_event
-
         self.tenant = config.get('config', {}).get('tenant', 'default')
         self.logger.debug("Using tenant '%s'" % self.tenant)