Update app.py

app.py

@@ -113,10 +113,10 @@ def chat(message, history):
     print("history",history)
     print("message",message)
         
-    if len(history) == 0 or len(message["files"]) != 0:
+    if len(history) == 0 and len(message["files"]) != 0:
         test_image = message["files"][0]["path"]
         pixel_values = load_image(test_image, max_num=6).to(torch.bfloat16).cuda()
-    elif len(history) == 0 or len(message["files"]) == 0:
+    elif len(history) == 0 and len(message["files"]) == 0:
         pixel_values = None     
     elif history[0][0][0] is not None and os.path.isfile(history[0][0][0]):
         test_image = history[0][0][0]