Fix empty lines between tests

tests/test_init.py

@@ -42,10 +42,14 @@ def run_mutation_stub(*_):
     with patch('mutmut.run_mutation', run_mutation_stub):
         check_mutants_original(**kwargs)
 
+
 class ConfigStub:
     hash_of_tests = None
+
+
 config_stub = ConfigStub()
 
+
 def test_run_mutation_tests_thread_synchronization(monkeypatch):
     # arrange
     total_mutants = 3
@@ -80,10 +84,12 @@ def progress_mock_register(*_):
 
     close_active_queues()
 
+
 @fixture
 def testpatches_path(testdata: Path):
     return testdata / "test_patches"
 
+
 def test_read_patch_data_new_empty_file_not_in_the_list(testpatches_path: Path):
     # arrange
     new_empty_file_name = "new_empty_file.txt"
@@ -95,6 +101,7 @@ def test_read_patch_data_new_empty_file_not_in_the_list(testpatches_path: Path):
     # assert
     assert not new_empty_file_name in new_empty_file_changes
 
+
 def test_read_patch_data_removed_empty_file_not_in_the_list(testpatches_path: Path):
     # arrange
     existing_empty_file_name = "existing_empty_file.txt"
@@ -106,6 +113,7 @@ def test_read_patch_data_removed_empty_file_not_in_the_list(testpatches_path: Pa
     # assert
     assert existing_empty_file_name not in remove_empty_file_changes
 
+
 def test_read_patch_data_renamed_empty_file_not_in_the_list(testpatches_path: Path):
     # arrange
     renamed_empty_file_name = "renamed_existing_empty_file.txt"
@@ -117,6 +125,7 @@ def test_read_patch_data_renamed_empty_file_not_in_the_list(testpatches_path: Pa
     # assert
     assert renamed_empty_file_name not in renamed_empty_file_changes
 
+
 def test_read_patch_data_added_line_is_in_the_list(testpatches_path: Path):
     # arrange
     file_name = "existing_file.txt"
@@ -129,6 +138,7 @@ def test_read_patch_data_added_line_is_in_the_list(testpatches_path: Path):
     assert file_name in file_changes
     assert file_changes[file_name] == {3} # line is added between second and third
 
+
 def test_read_patch_data_edited_line_is_in_the_list(testpatches_path: Path):
     # arrange
     file_name = "existing_file.txt"
@@ -141,6 +151,7 @@ def test_read_patch_data_edited_line_is_in_the_list(testpatches_path: Path):
     assert file_name in file_changes
     assert file_changes[file_name] == {2} # line is added between 2nd and 3rd
 
+
 def test_read_patch_data_edited_line_in_subfolder_is_in_the_list(testpatches_path: Path):
     # arrange
     file_name = os.path.join("sub", "existing_file.txt") # unix will use "/", windows "\" to join
@@ -153,6 +164,7 @@ def test_read_patch_data_edited_line_in_subfolder_is_in_the_list(testpatches_pat
     assert file_name in file_changes
     assert file_changes[file_name] == {2} # line is added between 2nd and 3rd
 
+
 def test_read_patch_data_renamed_file_edited_line_is_in_the_list(testpatches_path: Path):
     # arrange
     original_file_name = "existing_file.txt"
@@ -167,6 +179,7 @@ def test_read_patch_data_renamed_file_edited_line_is_in_the_list(testpatches_pat
     assert new_file_name in file_changes
     assert file_changes[new_file_name] == {3} # 3rd line is edited
 
+
 def test_read_patch_data_mutliple_files(testpatches_path: Path):
     # arrange
     expected_changes = {

tests/test_main.py

@@ -705,6 +705,7 @@ def test_html_output(surviving_mutants_filesystem):
             '<tr><td><a href="foo.py.html">foo.py</a></td><td>2</td><td>0</td><td>0</td><td>0.00</td><td>2</td>'
             '</table></body></html>')
 
+
 def test_html_custom_output(surviving_mutants_filesystem):
     result = CliRunner().invoke(climain, ['run', '--paths-to-mutate=foo.py', "--test-time-base=15.0"], catch_exceptions=False)
     print(repr(result.output))