Fixed listening import

app/dtos/exams/listening.py

@@ -44,17 +44,26 @@ class MultipleChoiceExercise(ExerciseBase):
     questions: List[MCQuestion]
 
 
+class WriteBlankQuestion(BaseModel):
+    id: str
+    prompt: str
+    solution: List[str]
+
 class WriteBlanksVariant(str, Enum):
     QUESTIONS = "questions"
     FILL = "fill"
     FORM = "form"
 
+class WriteBlanksQuestionExercise(ExerciseBase):
+    type: Literal["writeBlanks"]
+    maxWords: int
+    questions: List[WriteBlankQuestion]
+    variant: WriteBlanksVariant
 
 class WriteBlankSolution(BaseModel):
     id: str
     solution: List[str]
 
-
 class WriteBlanksExercise(ExerciseBase):
     type: Literal["writeBlanks"]
     maxWords: int
@@ -77,4 +86,4 @@ class ListeningSection(BaseModel):
 class ListeningExam(BaseModel):
     module: str = "listening"
     minTimer: Optional[int]
-    sections: List[ListeningSection]
+    parts: List[ListeningSection]