small changes

hands-on/hands-on-tutorial.bkr

@@ -418,7 +418,6 @@
             "evaluator": "IPython",
             "input": {
                 "body": [
-                    "import h5py",
                     "from nomad_sim.nomad_structures import NOMADStructure",
                     "",
                     "nomad_structure_list = [NOMADStructure(in_file=json_path, file_format='NOMAD', take_first='False') for json_path in json_list]",
@@ -440,7 +439,7 @@
                 "height": 237
             },
             "evaluatorReader": true,
-            "lineCount": 12,
+            "lineCount": 11,
             "tags": "nomad_structure_list"
         },
         {
@@ -558,6 +557,22 @@
             "lineCount": 19,
             "tags": "get_energy_diffs"
         },
+        {
+            "id": "codexaiFel",
+            "type": "code",
+            "evaluator": "IPython",
+            "input": {
+                "body": [
+                    "P_df = get_energy_diffs(nomad_structure_list)",
+                    "print P_df"
+                ]
+            },
+            "output": {
+                "state": {}
+            },
+            "evaluatorReader": true,
+            "lineCount": 2
+        },
         {
             "id": "markdownOBfktj",
             "type": "markdown",