Update app.py

app.py

@@ -34,7 +34,7 @@ RAG_EMBEDDER = None
 client = None
 REQUIREMENTS_PIPELINE = None
 
-
+'''
 def load_env_file(env_path: str | None = None):
     """
     Lightweight .env loader to populate os.environ if keys are missing.
@@ -68,9 +68,13 @@ def load_env_file(env_path: str | None = None):
 
 # Load .env early so API keys (e.g., OPENROUTER_API_KEY) are available.
 load_env_file()
-# Basic sanity check so missing keys are obvious in logs.
-if not (os.getenv("OPENROUTER_API_KEY") or os.getenv("OPENAI_API_KEY")):
-    print("Warning: OPENROUTER_API_KEY / OPENAI_API_KEY not set; OpenRouter calls will fail.")
+'''
+# HF Spaces: load API keys from Secrets only
+OPENROUTER_API_KEY = os.getenv("OPENROUTER_API_KEY")
+OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
+
+if not OPENROUTER_API_KEY and not OPENAI_API_KEY:
+    print("WARNING: No API key found. Add one in Settings → Secrets.")
 
 MAX_CONTEXT_FILE_SIZE = 2 * 1024 * 1024  # 2 MB
 MAX_CONTEXT_FILE_CHARACTERS = 6000