Update app.py

app.py

@@ -58,7 +58,7 @@ def load_pdf(file_path):
     return VectorStore
 
 def load_chatbot(max_tokens=120):
-    return load_qa_chain(llm=OpenAI(temperature=0.5, max_tokens=max_tokens), chain_type="stuff") 
+    return load_qa_chain(llm=OpenAI(temperature=0.1, max_tokens=max_tokens), chain_type="stuff") 
 
 def display_chat_history(chat_history):
     for chat in chat_history:
@@ -105,7 +105,7 @@ def main():
             loading_message.text('Bot is thinking...')
             
             VectorStore = load_pdf(pdf)
-            max_tokens = 100
+            max_tokens = 120
             chain = load_chatbot(max_tokens=max_tokens)
             docs = VectorStore.similarity_search(query=query, k=2)
             
@@ -118,7 +118,7 @@ def main():
             
             # Check if the response ends with a sentence-ending punctuation
             while not filtered_response.strip().endswith(('.', '!', '?')) and max_tokens < MAX_TOKEN_LIMIT:
-                max_tokens += 50  # Increase the max_tokens limit
+                max_tokens += 100  # Increase the max_tokens limit
                 chain = load_chatbot(max_tokens=max_tokens)
                 additional_response = chain.run(input_documents=docs, question=query)
                 filtered_response += additional_response  # Append the additional response to the filtered_response