cleaned up tested bug fix

Author: Varun-nair1997

examples/example_07/analysis.ipynb

@@ -30,29 +30,6 @@
     "We start by calculating the free energy of the FS potential. The input file is available at `pot1/input.1.yaml`. As usual, the calculation can be run using `calphy -i input.1.yaml`. We can now load the `report.yaml` file and check the free energy."
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 6,
-   "id": "7b0e2137-4838-4c4b-b7ea-f925430e343d",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "/home/varun.nair/Desktop/ICAMS_HIWI/calphy/examples/example_07\n",
-      "alchemy-fcc-solid-600-0\t\talchemy-fcc-solid-600-0.sub.err  input.1.yaml\n",
-      "alchemy-fcc-solid-600-0.0.data\talchemy-fcc-solid-600-0.sub.out  pot1\n",
-      "alchemy-fcc-solid-600-0.sub\tanalysis.ipynb\t\t\t pot2\n"
-     ]
-    }
-   ],
-   "source": [
-    "!pwd\n",
-    "!cd ..\n",
-    "!ls"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 1,
@@ -64,28 +41,6 @@
     "from calphy.postprocessing import read_report"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 10,
-   "id": "5c011f70-f645-4e3e-aa94-59b12a143587",
-   "metadata": {},
-   "outputs": [
-    {
-     "ename": "ModuleNotFoundError",
-     "evalue": "No module named 'calphy.tests'",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mModuleNotFoundError\u001b[0m                       Traceback (most recent call last)",
-      "Cell \u001b[0;32mIn[10], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[38;5;28;01mimport\u001b[39;00m \u001b[38;5;21;01mcalphy\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mtests\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mtest_helpers\u001b[39;00m \u001b[38;5;28;01mas\u001b[39;00m \u001b[38;5;21;01mth\u001b[39;00m\n",
-      "\u001b[0;31mModuleNotFoundError\u001b[0m: No module named 'calphy.tests'"
-     ]
-    }
-   ],
-   "source": [
-    "im.tests.test_helpers as th"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 2,