fix img_filename column

Author: dnth

examples/analysing-image-classification-dataset.ipynb

@@ -426,10 +426,10 @@
     "df_annot = df_annot[['path', 'noisy_labels_0']]\n",
     "\n",
     "# rename columns to fastdup's column names\n",
-    "df_annot = df_annot.rename({'noisy_labels_0': 'label', 'path': 'img_filename'}, axis='columns')\n",
+    "df_annot = df_annot.rename({'noisy_labels_0': 'label', 'path': 'filename'}, axis='columns')\n",
     "\n",
     "# create split column\n",
-    "df_annot['split'] = df_annot['img_filename'].apply(lambda x: x.split(\"/\")[0])\n",
+    "df_annot['split'] = df_annot['filename'].apply(lambda x: x.split(\"/\")[0])\n",
     "\n",
     "# map label ids to regular labels\n",
     "df_annot['label'] = df_annot['label'].map(label_map)\n",