Update schemas.py

schemas.py

@@ -1,9 +1,10 @@
-from pydantic import BaseModel
-
-class AudioInput(BaseModel):
-    audio_base64: str
-
-class DetectionResult(BaseModel):
-    label: str  # "AI_GENERATED" or "HUMAN"
-    confidence: float
-    message: str | None = None
+from pydantic import BaseModel
+from typing import Optional
+
+class AudioInput(BaseModel):
+    audio_base64: str
+
+class DetectionResult(BaseModel):
+    label: str  # "AI_GENERATED" or "HUMAN"
+    confidence: float
+    message: Optional[str] = None