Update app.py

app.py

@@ -7,7 +7,7 @@ from langchain.vectorstores import FAISS
 from langchain.chains.question_answering import load_qa_chain
 from langchain.callbacks import get_openai_callback
 from langchain import HuggingFaceHub, LLMChain
-from langchain.embeddings import HuggingFaceHubEmbeddings
+from langchain.embeddings import HuggingFaceHubEmbeddings,HuggingFaceInferenceAPIEmbeddings
 token = os.environ['HF_TOKEN']
 repo_id = "sentence-transformers/all-mpnet-base-v2"
 hf = HuggingFaceHubEmbeddings(
@@ -16,7 +16,11 @@ hf = HuggingFaceHubEmbeddings(
     huggingfacehub_api_token= token,
 )
 
+from langchain.embeddings import HuggingFaceInferenceAPIEmbeddings
 
+embeddings = HuggingFaceInferenceAPIEmbeddings(
+    api_key=token, model_name="sentence-transformers/all-MiniLM-l6-v2"
+)
 
 
 def main():
@@ -47,7 +51,7 @@ def main():
       # embeddings = OpenAIEmbeddings()
       # embeddings = query(chunks)
       # embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-mpnet-base-v2")
-      embeddings = hf
+      
       knowledge_base = FAISS.from_texts(chunks, embeddings)
       
       # show user input