Correct bug in cluster_descriptors

wario/utils.ipynb

@@ -422,7 +422,7 @@
     "    if var_dict[\"do_pdb\"]:\n",
     "        \n",
     "        conf_list = os.listdir(\"/\".join([var_dict[\"ensemble_path\"],var_dict[\"folders\"][0]]))\n",
-    "        md_file = md.load_pdb(\"/\".join([var_dict[\"ensemble_path"\], var_dict[\"folders\"][0],conf_list[0]]))\n",
+    "        md_file = md.load_pdb(\"/\".join([\"/\".join([var_dict[\"ensemble_path\"],var_dict[\"folders\"][0]]),conf_list[0]]))\n",
     "        L = md_file.topology.n_residues\n",
     "        Nconf = len(conf_list)\n",
     "        \n",