Fix logs. Use dict.pop instead of del. Close #3473 (#3484)

### What problem does this PR solve?

Fix logs. Use dict.pop instead of del.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/apps/sdk/doc.py

@@ -37,7 +37,6 @@ from api.db.services.document_service import DocumentService
 from api.db.services.file2document_service import File2DocumentService
 from api.db.services.file_service import FileService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api import settings
 from api.utils.api_utils import construct_json_result, get_parser_config
 from rag.nlp import search
 from rag.utils import rmSpace
@@ -1342,8 +1341,7 @@ def retrieval_test(tenant_id):
             highlight=highlight,
         )
         for c in ranks["chunks"]:
-            if "vector" in c:
-                del c["vector"]
+            c.pop("vector", None)
 
         ##rename keys
         renamed_chunks = []