Update app.py

app.py

@@ -116,10 +116,10 @@ def get_conversational_chain(retriever):
 
     llm = HuggingFaceHub(
     repo_id="HuggingFaceH4/zephyr-7b-beta",
-    huggingfacehub_api_token="<HF_TOKEN_HERE>",
+    huggingfacehub_api_token=os.getenv("HUGGINGFACE_API_KEY"),
     task="text-generation",
     )
-    pt = ChatPromptTemplate.get_template(prompt_template)
+    pt = ChatPromptTemplate.from_template(prompt_template)
     # Retrieve and generate using the relevant snippets of the blog.
     #retriever = db.as_retriever()
     rag_chain = (