Update app.py

app.py

@@ -9,7 +9,9 @@ from langchain_community.embeddings import OllamaEmbeddings
 from langchain_core.output_parsers import StrOutputParser
 from langchain_core.runnables import RunnablePassthrough
 
-os.system("pip show ollama")
+ollama_path=-"/usr/local/lib/python3.10/site-packages/ollama"
+
+os.system(f"{ollama_path} ollama pull llama3")
 
 # os.system("ollama pull llama3")
 # os.system("ollama pull nomic-embed-text")