diff --git a/tests/test_aggregations.py b/tests/test_aggregations.py
index d57634b..ad6cf83 100644
--- a/tests/test_aggregations.py
+++ b/tests/test_aggregations.py
@@ -1,6 +1,7 @@
+import unittest
 import warnings
 from decimal import Decimal
-import unittest
+
 import agate
 
 from agatestats.aggregations import PearsonCorrelation
diff --git a/tests/test_computations.py b/tests/test_computations.py
index a89edd2..0549cc6 100644
--- a/tests/test_computations.py
+++ b/tests/test_computations.py
@@ -1,5 +1,6 @@
-from decimal import Decimal
 import unittest
+from decimal import Decimal
+
 import agate
 
 from agatestats.computations import ZScores
diff --git a/tests/test_table.py b/tests/test_table.py
index fe074cc..473dd46 100644
--- a/tests/test_table.py
+++ b/tests/test_table.py
@@ -1,4 +1,5 @@
 import unittest
+
 import agate
 
 import agatestats  # noqa: F401
diff --git a/tests/test_tableset.py b/tests/test_tableset.py
index 197a1e8..36463a5 100644
--- a/tests/test_tableset.py
+++ b/tests/test_tableset.py
@@ -1,4 +1,5 @@
 import unittest
+
 import agate
 
 import agatestats  # noqa: F401