fix: downgrade pinecone-client for langchain_community compatibility

rag.py

@@ -10,7 +10,7 @@ from langchain_classic.chains import RetrievalQA
 from langchain_core.prompts import PromptTemplate
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain_community.vectorstores import Pinecone as LangchainPinecone
-from pinecone import Pinecone as PineconeClient
+from pinecone import Pinecone
 
 logger = logging.getLogger(__name__)
 
@@ -109,9 +109,9 @@ class RAGChain:
 
         logger.info("Connecting to Pinecone...")
         embeddings = HuggingFaceEmbeddings(model_name=EMBED_MODEL)
-        pc = PineconeClient(api_key=PINECONE_API_KEY)
+        pc = Pinecone(api_key=PINECONE_API_KEY)
         index = pc.Index(PINECONE_INDEX)
-        self.vectorstore = LangchainPinecone(index=index, embedding=embeddings, text_key="text")
+        self.vectorstore = LangchainPinecone(index, embeddings, "text")
         logger.info("Pinecone connected.")
 
         prompt = PromptTemplate(

requirements.txt

@@ -16,7 +16,7 @@ langchain-community==0.4.1
 langchain-classic==1.0.3
 langchain-groq==1.1.2
 groq==0.37.1
-pinecone==7.3.0
+pinecone-client==3.2.2
 sentence-transformers==4.1.0
 
 # Utilities