fixed py formatting

.vscode/settings.json

@@ -113,5 +113,8 @@
   },
 
   // Enable/disable update table of contents on save
-  "markdown.extension.toc.updateOnSave": false
+  "markdown.extension.toc.updateOnSave": false,
+  "[python]": {
+    "editor.defaultFormatter": "ms-python.black-formatter"
+  }
 }

solutions/tests/test_sumrange.py

@@ -1,4 +1,5 @@
 import unittest
+
 # The line `from solutions.sum_range import sum_range` is importing the
 # `sum_range` function from a module named `sum_range` located in a package named
 # `solutions`. This allows you to use the `sum_range` function in your test cases
@@ -7,6 +8,7 @@
 # reusability.
 from solutions.sum_range import sum_range
 
+
 class TestSumRange(unittest.TestCase):
     """Unit tests for the Sum_range function."""
 
@@ -37,4 +39,4 @@ def test_large_range_reversed(self):
     def test_float_range(self):
         """Test with a range that includes floats."""
         with self.assertRaises(AssertionError):
-            sum_range(0.5, 3.5) 
+            sum_range(0.5, 3.5)