Update app.py

app.py

@@ -21,7 +21,7 @@ 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=350, chunk_overlap=0)
     texts = text_splitter.split_documents(documents)
     embeddings = HuggingFaceHubEmbeddings()
     db = Chroma.from_documents(texts, embeddings)