Update app.py

app.py

@@ -11,12 +11,12 @@ def loading_pdf(): return 'Loading...'
 def pdf_changes(pdf_doc, repo_id):
     loader = OnlinePDFLoader(pdf_doc.name)
     documents = loader.load()
-    text_splitter = CharacterTextSplitter(chunk_size=300, chunk_overlap=0)
+    text_splitter = CharacterTextSplitter(chunk_size=1024, chunk_overlap=0)
     texts = text_splitter.split_documents(documents)
     embeddings = HuggingFaceHubEmbeddings()
     db = Chroma.from_documents(texts, embeddings)
     retriever = db.as_retriever()
-    llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={'temperature': 0.1, 'max_new_tokens': 250})
+    llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={'temperature': 0.5, 'max_new_tokens': 2096})
     global qa 
     qa = RetrievalQA.from_chain_type(llm=llm, chain_type='stuff', retriever=retriever, return_source_documents=True)
     return "Ready"