diff --git a/02_laser_v0.1.ipynb b/02_laser_v0.1.ipynb
index 12f3edb..1fa47d7 100644
--- a/02_laser_v0.1.ipynb
+++ b/02_laser_v0.1.ipynb
@@ -18,7 +18,8 @@
     "import os\n",
     "import glob\n",
     "import pandas as pd\n",
-    "import numpy as np"
+    "import numpy as np\n",
+    "from scipy import stats"
    ]
   },
   {
@@ -1085,7 +1086,6 @@
     "    return(temp)\n",
     "\n",
     "def calibrate_co2_h2o(temp, cal_stats):\n",
-    "    from scipy import stats\n",
     "    temp = temp.copy()\n",
     "    \n",
     "    # Correlation of H2O\n",