fixing chat template

src/generator.py

@@ -9,15 +9,13 @@ from langchain_community.vectorstores import FAISS
 from langchain.chains.combine_documents import create_stuff_documents_chain
 from langchain.chains import create_retrieval_chain
 def promt_template():
-    prompt_in_chat_format =(
-            "Using the information contained in the given context, give a comprehensive answer to the question."
-            "Respond only to the question asked, response should be concise and relevant to the question."
-            "Provide the number of the source document when relevant.If the answer cannot be deduced from the context, do not give an answer. Please answer in french"
-        
-            "\n\n"
-           "{context}" 
-           )
-    prompt = ChatPromptTemplate.from_template(
+    prompt_in_chat_format = """Using the information contained in the given context, give a comprehensive answer to the question.
+            Respond only to the question asked, response should be concise and relevant to the question.
+            Provide the number of the source document when relevant.If the answer cannot be deduced from the context, do not give an answer. Please answer in french
+            {context}
+             """
+           
+    prompt = ChatPromptTemplate.from_messages(
         [
             ("system",prompt_in_chat_format),
             ("human", "{query}")