Fix typo maintain_queue_size->maintain_initial_size

Signed-off-by: Francesco De Martino <[email protected]>

Author: demartinofra

cli/pcluster/cfnconfig.py

@@ -514,7 +514,7 @@ def __validate_awsbatch_os(self, baseos):
 
     def __run_batch_validation(self, config):
         self.__check_option_absent_awsbatch(config, 'initial_queue_size')
-        self.__check_option_absent_awsbatch(config, 'maintain_queue_size')
+        self.__check_option_absent_awsbatch(config, 'maintain_initial_size')
         self.__check_option_absent_awsbatch(config, 'max_queue_size')
         self.__check_option_absent_awsbatch(config, 'spot_price')