🚑 quickfix: fixed the checker flag

mle/agents/coder.py

@@ -70,7 +70,7 @@ def __init__(self, model, working_dir='.', console=None, single_file=False):
             
             Your can leverage your capabilities by using the specific functions listed below:
             
-            - You should write all code into a single script, but you can have multiple functions and classes.
+            - You should create a single script first, with the complete code inside. You can have multiple functions and classes.
             - Writing clean, efficient, and well-documented code to a script using functions `create_file`.
             - Use function `preview_csv_data` to preview the CSV data if the task include CSV dataset or examples.
             - Generate the commands to run and test the current script, and the dependencies list required for this script.

mle/workflow/kaggle.py

@@ -77,7 +77,7 @@ def auto_kaggle(
             debug_report = debugger.analyze_with_log(running_cmd, logs)
         if debug_report.get('status') == 'success':
             # check the submission file
-            if os.path.exists(submission):
+            if not os.path.exists(submission):
                 console.log(f"The submission file ({submission}) is not found. Launch the coder to improve...")
                 code_report = coder.debug(
                     coding_task,