Update main.py

main.py

@@ -279,7 +279,7 @@ def dalle_3xl(
     except requests.exceptions.RequestException:
         raise HTTPException(
             status_code=500,
-            detail=CustomErrorResponseModel(error=internal_error)
+            detail=CustomErrorResponseModel(error=[{internal_error}])
         )
 
     try:
@@ -287,7 +287,7 @@ def dalle_3xl(
     except Exception:
         raise HTTPException(
             status_code=500,
-            detail=CustomErrorResponseModel(error=contact_support)
+            detail=CustomErrorResponseModel(error=[{contact_support}])
         )
 
     if encoded_string: