Minor formatting update

backend/app/vectorstore.py

@@ -139,15 +139,15 @@ def get_all_unique_source_of_docs_in_collection(
 
 
 # TODO This is a dumb hack to get around Qdrant client restrictions when using local file storage.
-# Instead of using the client directly, we use QdrantVectorStore's similarity search 
+# Instead of using the client directly, we use QdrantVectorStore's similarity search
 # with a dummy query to get all documents, then extract unique sources.
 def get_all_unique_source_of_docs_in_collection_DUMB(
     collection_name: str = PROBLEMS_REFERENCE_COLLECTION_NAME,
 ) -> List[str]:
     vector_store = get_vector_db()
     # Use a very generic query that should match everything
-    docs = vector_store.similarity_search("",k=1000)
-    
+    docs = vector_store.similarity_search("", k=1000)
+
     sources = set()
     for doc in docs:
         if doc.metadata and "title" in doc.metadata:

backend/tests/test_api.py

@@ -37,7 +37,6 @@ def test_feedback_validation_error():
 
 # this test can be a bit flaky, but it's not a big deal (because it's checking the content of the response. Correct/Incorrect might be prefaced by /n or something)
 def test_successful_feedback():
-    """Test successful grading of multiple problems"""
     response = client.post(
         "/api/feedback",
         json={
@@ -67,7 +66,7 @@ def test_topics_endpoint():
     response = client.get("/api/topics")
     assert response.status_code == 200
     result = response.json()
-    
+
     assert "sources" in result
     assert len(result["sources"]) == 1
     assert result["sources"][0] == "LangChain RAG Tutorial"

frontend/src/setup.ts

@@ -0,0 +1 @@
+import '@testing-library/jest-dom';