diff --git a/Train_Colab.ipynb b/Train_Colab.ipynb
index 3b901ca..3932e39 100644
--- a/Train_Colab.ipynb
+++ b/Train_Colab.ipynb
@@ -481,6 +481,7 @@
         "\n",
         "for log_line in process.stdout:\n",
         "    global last_output\n",
+        "    last_output = None\n",
         "    log_line = log_line.strip()\n",
         "    if log_line:\n",
         "        if log_line != last_output:\n",