diff --git a/blueprints/test.py b/blueprints/test.py
index 7b05556..03d14c3 100644
--- a/blueprints/test.py
+++ b/blueprints/test.py
@@ -23,6 +23,7 @@ from locales import INPUT_NAME_TEXT
 # MENU_KB.add_text_button(text="Бонус", payload={"command": "bonus"}, color=ButtonColor.POSITIVE)
 # from nft_things.NftSender import NFTSender
 from util.redis_db import RedisDB
+from util.nft_util import get_image
 
 test_router = DefaultRouter()
 
@@ -82,7 +83,7 @@ async def main_part_handle(event: BotEvent):
 
         big_attachment = await Config().uploader.get_attachments_from_paths(
             peer_id=user_id,
-            file_paths=[util.get_image(user_id)],
+            file_paths=[get_image(user_id)],
         )
         await Config().api_ctx.messages.send(
             user_id=user_id, attachment=big_attachment, random_id=0
diff --git a/db/db.py b/db/db.py
index f87fac6..5744126 100644
--- a/db/db.py
+++ b/db/db.py
@@ -75,6 +75,8 @@ class DB(metaclass=Singleton):
         self._session.commit()
 
     def add_candidate(self, candidate: Candidate):
+        if self._session.query(Candidate).filter(Candidate.id == candidate.id).first() is not None:
+            return
         tres = TestResult(answers=[])
         candidate.test_result = [tres]
         self._session.add(candidate)
diff --git a/util/__init__.py b/util/__init__.py
index f317235..ae53f8b 100644
--- a/util/__init__.py
+++ b/util/__init__.py
@@ -1,2 +1 @@
 from .singleton import Singleton
-from .nft_util import get_image