chunk size change

app.py

@@ -16,7 +16,7 @@ def loading_pdf():
 def pdf_changes(pdf_doc):
     loader = OnlinePDFLoader(pdf_doc.name)
     documents = loader.load()
-    text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
+    text_splitter = CharacterTextSplitter(chunk_size=500, chunk_overlap=50)
     texts = text_splitter.split_documents(documents)
     embeddings = OpenAIEmbeddings()
     db = Chroma.from_documents(texts, embeddings)