Update app.py

app.py

@@ -4,7 +4,6 @@ from langchain.prompts.chat import ChatPromptTemplate
 
 import os 
 
-
 os.environ["OPENAI_API_KEY"] = os.getenv("k1")
 
 st.title("Summarization Application :robot_face:")
@@ -20,7 +19,7 @@ if st.button("Submit"):
 
     llm = ChatOpenAI(model = "gpt-3.5-turbo",temperature = 0)
 
-    prompt = ChatPromptTemplate.from_messages([("system","you are an expert summarizer for {lang} text"),
+    prompt = ChatPromptTemplate.from_messages([("system","you are an expert summarizer for {lang} text."),
             ("human","{text}")])
 
     chain = prompt|llm