fix app crash

backend/src/shipments/shipments.py

@@ -22,7 +22,7 @@ def get_shipments(
         forms,
     )
 
-@router.get('{id}', response_model=models.ShipmentPublic)
+@router.get('/{id}', response_model=models.ShipmentPublic)
 def get_shipment(
     id: int,
     user: models.User = Depends(get_current_user),
@@ -41,7 +41,7 @@ def create_shipment(
 ):
     return service.create_one(session, shipment)
 
-@router.put('{id}', response_model=models.ShipmentPublic)
+@router.put('/{id}', response_model=models.ShipmentPublic)
 def update_shipment(
     id: int, shipment: models.ShipmentUpdate,
     user: models.User = Depends(get_current_user),
@@ -52,7 +52,7 @@ def update_shipment(
         raise HTTPException(status_code=404, detail=messages.notfound)
     return result
 
-@router.delete('{id}', response_model=models.ShipmentPublic)
+@router.delete('/{id}', response_model=models.ShipmentPublic)
 def delete_shipment(
     id: int,
     user: models.User = Depends(get_current_user),