[pre-commit.ci] auto fixes from pre-commit hooks

Author: pre-commit-ci[bot]

part6_cnns.ipynb

@@ -490,7 +490,6 @@
     "import pandas as pd\n",
     "from sklearn import metrics\n",
     "\n",
-    "\n",
     "labels = ['%i' % nr for nr in range(0, n_classes)]  # If you want to look at all the labels\n",
     "# labels = ['0','1','9'] # Look at only a few labels, here for digits 0, 1 and 9\n",
     "print('Plotting ROC for labels {}'.format(labels))\n",