Update app.py

app.py

@@ -727,10 +727,8 @@ def chat():
     # 🖼️ VISION MODE (AUTO DETECT - BASE64 ONLY)
     # ======================
     # ======================
-# 🖼️ VISION MODE (Cohere v2) — TEXT ONLY
-# ======================
-image_base64 = data.get("image_base64")
-if image_base64:
+    image_base64 = data.get("image_base64")
+    if image_base64:
     print("[VISION] 🖼️ Image detected → Cohere c4ai-aya-vision-32b")
 
     # validate base64