Replace call to eval.

Replace call to eval for converting a string representation of a list
of file names with ast.literal_eval(). eval will run any string as
Python code so potentially can cause harm, ast.literal_eval() is safer.

Author: zivy

Python/71_Trust_But_Verify.ipynb

@@ -54,6 +54,7 @@
     "import SimpleITK as sitk\n",
     "import pandas as pd\n",
     "import numpy as np\n",
+    "import ast\n",
     "import os\n",
     "import sys\n",
     "import shutil\n",
@@ -735,7 +736,8 @@
    "outputs": [],
    "source": [
     "faux_volume_image_files = sitk.ReadImage(faux_series_volume_file_name)\n",
-    "image_file_list = pd.read_csv(faux_series_file_list_name)[\"files\"].apply(eval).to_list()\n",
+    "# convert string representation of list of file names to a list of file names\n",
+    "image_file_list = pd.read_csv(faux_series_file_list_name)[\"files\"].apply(ast.literal_eval).tolist()\n",
     "\n",
     "image_selection_gui2 = ImageSelection(\n",
     "    faux_volume_image_files,\n",