Correct some mistakes

Author: luseverin

doc/user-guide/climada_engine_unsequa.ipynb

@@ -5603,10 +5603,9 @@
     "    if (\n",
     "        \"exp_base\" in globals()\n",
     "        and isinstance(exp_base, Exposures)\n",
-    "        and exp_base.description != str(filename)\n",
+    "        and exp_base.description == str(filename)\n",
     "    ):\n",
-    "        exp_base = Exposures.from_hdf5(filename)\n",
-    "        exp_base.description = str(filename)\n",
+    "        pass  # if correct file is already loaded in memory, we do not need to reload it\n",
     "    else:\n",
     "        exp_base = Exposures.from_hdf5(filename)\n",
     "        exp_base.description = str(filename)\n",
@@ -5630,10 +5629,9 @@
     "        \"haz_base\" in globals()\n",
     "        and isinstance(haz_base, Hazard)\n",
     "        and hasattr(haz_base, \"description\")\n",
-    "        and haz_base.description != str(filename)\n",
+    "        and haz_base.description == str(filename)\n",
     "    ):\n",
-    "        haz_base = Hazard.from_hdf5(filename)\n",
-    "        haz_base.description = str(filename)\n",
+    "        pass\n",
     "    else:\n",
     "        haz_base = Hazard.from_hdf5(filename)\n",
     "        setattr(haz_base, \"description\", str(filename))\n",
@@ -5712,7 +5710,7 @@
    "source": [
     "# Ordering of the samples by hazard first and exposures second\n",
     "output_imp = calc_imp.make_sample(N=2**2, sampling_kwargs={\"skip_values\": 2**3})\n",
-    "output_imp.order_samples(by=[\"f_haz\", \"f_exp\"])"
+    "output_imp.order_samples(by_parameters=[\"f_haz\", \"f_exp\"])"
    ]
   },
   {