Update app.py

app.py

@@ -36,7 +36,7 @@ log = logging.getLogger("gguf-chat-space")
 # Configuration (all overridable via environment variables)
 # ---------------------------------------------------------------------------
 
-GGUF_REPO_ID = os.environ.get("GGUF_REPO_ID", "bartowski/google_gemma-3-2b-it-GGUF")
+GGUF_REPO_ID = os.environ.get("GGUF_REPO_ID", "bartowski/gemma-3-2b-it-GGUF")
 GGUF_FILENAME = os.environ.get("GGUF_FILENAME", "").strip()  # force exact file if set
 PREFERRED_QUANT = os.environ.get("PREFERRED_QUANT", "Q4_K_M").strip()