Merge pull request #328 from sebp/fix-import-stats

Add missing import of scipy.stats

Author: CamDavidsonPilon

Chapter6_Priorities/Ch6_Priors_PyMC3.ipynb

@@ -58,6 +58,7 @@
    "source": [
     "%matplotlib inline\n",
     "import numpy as np\n",
+    "import scipy.stats as stats\n",
     "from IPython.core.pylabtools import figsize\n",
     "import matplotlib.pyplot as plt\n",
     "\n",