Black 20.b0 breaks tox test

[mjuenema]

ISSUE TYPE

• Bug Report

SUMMARY

Black 20.b0 was released today and introduces changes that break the tox tests.

STEPS TO REPRODUCE

Execute tox.

EXPECTED RESULTS

Running tox on the master branch should pass.

ACTUAL RESULTS

The output of black ./ --check --diff command shows that it wants to re-format two files

• development_scripts.py
• tests/test_testcases_exists.py

tests/test_testcases_exists.py

--- tests/test_testcases_exists.py	2020-08-27 13:02:17.883910 +0000
+++ tests/test_testcases_exists.py	2020-08-27 13:02:51.506288 +0000
@@ -9,12 +9,11 @@
 
 TEST_DIRECTORIES = os.listdir("tests")
 
 
 def extract_index_data():
-    """Used to parametrize and report each test case with the necessary data.
-    """
+    """Used to parametrize and report each test case with the necessary data."""
     index = sorted(load_index_data())
     mock_directories = []
     for row in index:
         # Trim template name to only parts making up platform and command directories
         template = row[0].strip()
@@ -34,10 +33,9 @@
     return mock_directories
 
 
 @pytest.mark.parametrize("mock_directory", extract_index_data())
 def test_verify_parsed_and_reference_data_exists(mock_directory):
-    """Verify that at least one test exists for all entries in the index file.
-    """
+    """Verify that at least one test exists for all entries in the index file."""
     cases = f"{mock_directory}/*.raw"
     test_list = glob.glob(cases)
     assert len(test_list) != 0, f"Could not find tests for {mock_directory}.textfsm"

development_scripts.py

--- development_scripts.py	2020-08-27 13:02:17.883910 +0000
+++ development_scripts.py	2020-08-27 13:02:51.758646 +0000
@@ -287,11 +287,11 @@
         None: File I/O is performed to ensure YAML file adheres to yamllint config.
 
     Example:
         >>> filepath = "tests/cisco_ios/show_version/cisco_ios_show_version.yml"
         >>> transform_parsed(filepath)
-        >>> 
+        >>>
     """
     with open(filepath, encoding="utf-8") as parsed_file:
         parsed_object = YAML_OBJECT.load(parsed_file)
 
     ensure_yaml_standards(parsed_object, filepath)
@@ -313,11 +313,11 @@
 
     Example:
         >>> dirpath = "tests/*/*"
         >>> transform_parsed(dirpath)
         # Each filename is printed to the terminal
-        >>> 
+        >>>
     """
     # This commented out code was used for mass renaming of files;
     # it is probably not needed anymore
     # for file in glob.iglob("{0}/*.parsed".format(dirpath)):
     #     os.rename(file, file.replace(file[-6:], "yml"))
@@ -373,11 +373,11 @@
         cisco_ios
         >>> print(command)
         show version
         >>> print(filename)
         cisco_ios_show_version
-        >>> 
+        >>>
     """
     command_dir, filename = os.path.split(filepath)
     platform_dir, command = os.path.split(command_dir)
     test_dir, platform = os.path.split(platform_dir)
 
@@ -410,11 +410,11 @@
         ['cisco_ios_show_version.raw']
         >>> filepath = "tests/cisco_ios/show_version/cisco_ios_show_version.raw"
         >>> build_parsed_data_from_output(filepath)
         >>> os.listdir(root_dir)
         ['cisco_ios_show_version.raw', 'cisco_ios_show_version.yml']
-        >>> 
+        >>>
     """
     platform, command, filename = parse_test_filepath(filepath)
     with open(filepath, encoding="utf-8") as output_file:
         output_data = output_file.read()
 
@@ -443,11 +443,11 @@
 
     Example:
         >>> dirpath = "tests/cisco_ios/show_mac-address-table"
         >>> build_parsed_data_from_dir(dirpath)
         # Each filename is printed to the terminal
-        >>> 
+        >>>
     """
     for file in glob.iglob("{0}/*.raw".format(dirpath)):
         print(file)
         build_parsed_data_from_output(file, test_dir)

[jmcgill298]

#795