Update app.py

app.py

@@ -57,13 +57,13 @@ from datetime import datetime
 api_key = os.getenv("API_KEY")
 endpoint = os.getenv("OPENAI_API_BASE")
 llama_api_key = os.getenv("GROQ_API_KEY")
-MEM0_api_key = os.getenv("MEM0_API_KEY")
+MEM0_API_KEY = os.getenv("MEM0_API_KEY")
 
 # quick sanity check
 print("API_KEY:",       "🔒 set" if api_key else "❌ missing")
 print("API_BASE:",      endpoint or "❌ missing")
 print("GROQ_API_KEY:",  "🔒 set" if llama_api_key else "❌ missing")
-print("MEM0_API_KEY:",  "🔒 set" if MEM0_api_key  else "❌ missing")
+print("MEM0_API_KEY:",  "🔒 set" if MEM0_API_KEY  else "❌ missing")
 
 
 # Initialize the OpenAI embedding function for Chroma