Update pdfchatbot.py

pdfchatbot.py

@@ -72,9 +72,14 @@ class PDFChatBot:
         Create a prompt template for the chatbot.
         """
         template = (
-            f"The assistant should provide detailed explanations."
-            "Combine the chat history and follow up question into "
-            "Follow up question: What is this"
+            """
+            Below is an instruction that describes a task. Write a response that appropriately completes the request.
+            
+            ### Instruction: {question}
+
+            ### Response:
+
+            """
         )
         self.prompt = PromptTemplate.from_template(template)
 
@@ -116,7 +121,7 @@ class PDFChatBot:
             model=self.model,
             task='text-generation',
             tokenizer=self.tokenizer,
-            max_new_tokens=200
+            max_new_tokens=2048
         )
         self.pipeline = HuggingFacePipeline(pipeline=pipe)