fix remaining notebooks (#4081)

Author: MarcoGorelli

docs/source/notebooks/DEMetropolisZ_EfficiencyComparison.ipynb

@@ -29,14 +29,15 @@
     }
    ],
    "source": [
+    "import pathlib\n",
+    "import time\n",
+    "\n",
     "import arviz as az\n",
     "import fastprogress\n",
     "import ipywidgets\n",
     "import numpy as np\n",
     "import pandas as pd\n",
-    "import pathlib\n",
     "import pymc3 as pm\n",
-    "import time\n",
     "\n",
     "from matplotlib import cm\n",
     "from matplotlib import pyplot as plt\n",

docs/source/notebooks/DEMetropolisZ_tune_drop_fraction.ipynb

@@ -25,12 +25,13 @@
     }
    ],
    "source": [
+    "import time\n",
+    "\n",
     "import arviz as az\n",
     "import ipywidgets\n",
     "import numpy as np\n",
     "import pandas as pd\n",
     "import pymc3 as pm\n",
-    "import time\n",
     "\n",
     "from matplotlib import cm, gridspec\n",
     "from matplotlib import pyplot as plt\n",

docs/source/notebooks/GLM-logistic.ipynb

@@ -21,6 +21,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import warnings\n",
+    "\n",
+    "from collections import OrderedDict\n",
+    "from time import time\n",
+    "\n",
     "import arviz as az\n",
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
@@ -29,12 +34,9 @@
     "import seaborn\n",
     "import theano as thno\n",
     "import theano.tensor as T\n",
-    "import warnings\n",
     "\n",
-    "from collections import OrderedDict\n",
     "from scipy import integrate\n",
     "from scipy.optimize import fmin_powell\n",
-    "from time import time\n",
     "\n",
     "print('Running on PyMC3 v{}'.format(pm.__version__))"
    ]

docs/source/notebooks/GLM-negative-binomial-regression.ipynb

@@ -21,12 +21,13 @@
     }
    ],
    "source": [
+    "import re\n",
+    "\n",
     "import arviz as az\n",
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "import pandas as pd\n",
     "import pymc3 as pm\n",
-    "import re\n",
     "import seaborn as sns\n",
     "\n",
     "from scipy import stats\n",

docs/source/notebooks/LKJ.ipynb

@@ -22,11 +22,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import warnings\n",
+    "\n",
     "import arviz as az\n",
     "import numpy as np\n",
     "import pymc3 as pm\n",
     "import seaborn as sns\n",
-    "import warnings\n",
     "\n",
     "from matplotlib import pyplot as plt\n",
     "from matplotlib.patches import Ellipse"

docs/source/notebooks/api_quickstart.ipynb

@@ -13,12 +13,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "import warnings\n",
+    "\n",
     "import arviz as az\n",
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "import pymc3 as pm\n",
     "import theano.tensor as tt\n",
-    "import warnings\n",
     "\n",
     "warnings.simplefilter(action=\"ignore\", category=FutureWarning)"
    ]