[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

atomistics/referencedata/__init__.py

@@ -1,12 +1,17 @@
 from atomistics.referencedata.wiki import get_experimental_elastic_property_wikipedia
 
 try:
-    from atomistics.referencedata.mendeleevdb import get_chemical_information_from_mendeleev, get_chemical_information_from_wolframalpha
+    from atomistics.referencedata.mendeleevdb import (
+        get_chemical_information_from_mendeleev,
+        get_chemical_information_from_wolframalpha,
+    )
 except ImportError:
     __all__ = []
 else:
-    __all__ = [get_chemical_information_from_mendeleev, get_chemical_information_from_wolframalpha]
+    __all__ = [
+        get_chemical_information_from_mendeleev,
+        get_chemical_information_from_wolframalpha,
+    ]
 
 
 __all__ += [get_experimental_elastic_property_wikipedia]
-

tests/test_referencedata.py

@@ -3,19 +3,29 @@
 
 
 try:
-    from atomistics.referencedata import get_chemical_information_from_mendeleev, get_chemical_information_from_wolframalpha
+    from atomistics.referencedata import (
+        get_chemical_information_from_mendeleev,
+        get_chemical_information_from_wolframalpha,
+    )
+
     mendeleev_not_available = False
 except ImportError:
     mendeleev_not_available = True
 
 
 class TestReferenceData(unittest.TestCase):
-    @unittest.skipIf(mendeleev_not_available, "mendeleev is not installed, so the mendeleev tests are skipped.")
+    @unittest.skipIf(
+        mendeleev_not_available,
+        "mendeleev is not installed, so the mendeleev tests are skipped.",
+    )
     def test_get_chemical_information_from_mendeleev(self):
         al_data = get_chemical_information_from_mendeleev(chemical_symbol="Al")
         self.assertEqual(al_data["atomic_number"], 13)
 
-    @unittest.skipIf(mendeleev_not_available, "mendeleev is not installed, so the mendeleev tests are skipped.")
+    @unittest.skipIf(
+        mendeleev_not_available,
+        "mendeleev is not installed, so the mendeleev tests are skipped.",
+    )
     def test_get_chemical_information_from_wolframalpha(self):
         al_data = get_chemical_information_from_wolframalpha(chemical_element="Al")
         self.assertEqual(al_data["latticeconstant"], "(404.95, 404.95, 404.95)")