diff --git a/workflows/archive/TTU_2019_rcp45_time_slices_create_collection_from_zarr.ipynb b/workflows/archive/TTU_2019_rcp45_time_slices_create_collection_from_zarr.ipynb
index cc8a0a00fac1afff008a705127afdf1839695ee8..ab7ccc577a5b983683714062078c5575c9ef7e64 100644
--- a/workflows/archive/TTU_2019_rcp45_time_slices_create_collection_from_zarr.ipynb
+++ b/workflows/archive/TTU_2019_rcp45_time_slices_create_collection_from_zarr.ipynb
@@ -742,18 +742,7 @@
    "source": [
     "# # helper to find items of wrong type\n",
     "# d = collection.to_dict()\n",
-    "# def find_paths(nested_dict, prepath=()):\n",
-    "#     for k, v in nested_dict.items():\n",
-    "#         try:\n",
-    "#             path = prepath + (k,)\n",
-    "#             if type(v) is np.float64: # found value\n",
-    "#                 yield path\n",
-    "#             elif hasattr(v, 'items'): # v is a dict\n",
-    "#                 yield from find_paths(v, path) \n",
-    "#         except:\n",
-    "#             print(prepath)\n",
-    "\n",
-    "# print(*find_paths(d))"
+    "# print(*stac_helpers.find_paths(d))"
    ]
   },
   {