submission_id = _SubmissionService.submit_assignment(

app.py

@@ -974,7 +974,6 @@ def generate_chinese_paragraph_practice_history(
 
 def submit_assignment(user_data, user_nickname, assignment_id, submission_content, file_name):
     try:
-        try:
         submission_id = _SubmissionService.submit_assignment(
             assignment_id=assignment_id,
             student_id=user_data,
@@ -983,14 +982,13 @@ def submit_assignment(user_data, user_nickname, assignment_id, submission_conten
             file_name=file_name,
             bucket_name="jutor_logs"
         )
-
+        
         if submission_id:
             print(f"Updated assignment {assignment_id} with new submission: {submission_id}")
             return submission_id
         else:
             print(f"Failed to submit assignment {assignment_id}")
             return None
-
     except Exception as e:
         print(f"Error submitting assignment {assignment_id}: {str(e)}")
         return None