fix lint

Author: juanitorduz

.isort.cfg

@@ -1,2 +1,2 @@
 [settings]
-known_third_party = arviz,matplotlib,numpy,pandas,patsy,pymc,scipy,seaborn,setuptools,sklearn,statsmodels,xarray
+known_third_party = arviz,matplotlib,numpy,pandas,patsy,pymc,pytest,scipy,seaborn,setuptools,sklearn,statsmodels,xarray

causalpy/pymc_models.py

@@ -1,7 +1,8 @@
 from typing import Any, Dict, Optional
-import pandas as pd
+
 import arviz as az
 import numpy as np
+import pandas as pd
 import pymc as pm
 from arviz import r2_score
 

causalpy/tests/test_pymc_models.py

@@ -1,9 +1,10 @@
+import arviz as az
 import numpy as np
-import pytest
+import pandas as pd
 import pymc as pm
+import pytest
+
 from causalpy.pymc_models import ModelBuilder
-import arviz as az
-import pandas as pd
 
 
 class MyToyModel(ModelBuilder):