Run black

It turns out I had an error in the Travis-CI black invocation that cause
it to not actually catch formatting errors. Oops!

13 files changed, 56 insertions, 68 deletions

diff --git a/dev/bump.py b/dev/bump.py
index 7ad0585..9bb2138 100755
--- a/dev/bump.py
+++ b/dev/bump.py
@@ -33,7 +33,9 @@ def bumpversion(severity, *args, catch=False):
     cmd = ["bump2version", *args, severity]
     try:
         if catch:
-            return subprocess.run(cmd, check=True, capture_output=True, text=True).stdout
+            return subprocess.run(
+                cmd, check=True, capture_output=True, text=True
+            ).stdout
         else:
             subprocess.run(cmd, check=True, text=True)
     except subprocess.CalledProcessError as e:
@@ -57,8 +59,8 @@ with open("CHANGELOG.md") as fl:
         "<!---Comparison links-->\n[{new}]: {url}/{current}...{new}".format(
             new=data["new_version"],
             current=data["current_version"],
-            url="https://github.com/SethMMorton/natsort/compare"
-        )
+            url="https://github.com/SethMMorton/natsort/compare",
+        ),
     )
 with open("CHANGELOG.md", "w") as fl:
     fl.write(changelog)
diff --git a/docs/conf.py b/docs/conf.py
index 79de41a..4e87392 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -28,39 +28,39 @@ import os
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.autosummary',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.mathjax',
-    'sphinx.ext.napoleon',
-    'm2r2',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.mathjax",
+    "sphinx.ext.napoleon",
+    "m2r2",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix of source filenames.
-source_suffix = ['.rst', '.md']
+source_suffix = [".rst", ".md"]
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = 'natsort'
+project = "natsort"
 # noinspection PyShadowingBuiltins
-copyright = '2014, Seth M. Morton'
+copyright = "2014, Seth M. Morton"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The full version, including alpha/beta/rc tags.
-release = '7.1.0'
+release = "7.1.0"
 # The short X.Y version.
-version = '.'.join(release.split('.')[0:2])
+version = ".".join(release.split(".")[0:2])
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -92,8 +92,8 @@ version = '.'.join(release.split('.')[0:2])
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
-highlight_language = 'python'
+pygments_style = "sphinx"
+highlight_language = "python"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -106,13 +106,13 @@ highlight_language = 'python'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-on_rtd = os.environ.get('READTHEDOCS') == 'True'
+on_rtd = os.environ.get("READTHEDOCS") == "True"
 if on_rtd:
-    html_theme = 'default'
+    html_theme = "default"
 else:
     import sphinx_rtd_theme  # noqa: F401
 
-    html_theme = 'sphinx_rtd_theme'
+    html_theme = "sphinx_rtd_theme"
     # html_theme = 'solar'
 
 # Theme options are theme-specific and customize the look and feel of a theme
@@ -121,7 +121,7 @@ else:
 # html_theme_options = {}
 
 # Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = ['.']
+html_theme_path = ["."]
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -191,17 +191,15 @@ html_theme_path = ['.']
 # html_file_suffix = None
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'natsortdoc'
+htmlhelp_basename = "natsortdoc"
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     # 'preamble': '',
 }
@@ -210,8 +208,7 @@ latex_elements = {
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    ('index', 'natsort.tex', 'natsort Documentation',
-     'Seth M. Morton', 'manual'),
+    ("index", "natsort.tex", "natsort Documentation", "Seth M. Morton", "manual"),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -239,10 +236,7 @@ latex_documents = [
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    ('index', 'natsort', 'natsort Documentation',
-     ['Seth M. Morton'], 1)
-]
+man_pages = [("index", "natsort", "natsort Documentation", ["Seth M. Morton"], 1)]
 
 # If true, show URL addresses after external links.
 # man_show_urls = False
@@ -254,9 +248,15 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    ('index', 'natsort', 'natsort Documentation',
-     'Seth M. Morton', 'natsort', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        "index",
+        "natsort",
+        "natsort Documentation",
+        "Seth M. Morton",
+        "natsort",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 # Documents to append as an appendix to all manuals.
@@ -273,4 +273,4 @@ texinfo_documents = [
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
+intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}
diff --git a/natsort/compat/fake_fastnumbers.py b/natsort/compat/fake_fastnumbers.py
index 9c0258f..7177551 100644
--- a/natsort/compat/fake_fastnumbers.py
+++ b/natsort/compat/fake_fastnumbers.py
@@ -81,10 +81,7 @@ def fast_float(
 
 # noinspection PyIncorrectDocstring
 def fast_int(
-    x,
-    key=lambda x: x,
-    _uni=unicodedata.digit,
-    _first_char=POTENTIAL_FIRST_CHAR,
+    x, key=lambda x: x, _uni=unicodedata.digit, _first_char=POTENTIAL_FIRST_CHAR
 ):
     """
     Convert a string to a int quickly, return input as-is if not possible.
diff --git a/natsort/natsort.py b/natsort/natsort.py
index c4910e3..8e3a7b5 100644
--- a/natsort/natsort.py
+++ b/natsort/natsort.py
@@ -646,9 +646,7 @@ else:
     except ImportError:
         # No ICU installed
         def os_sort_keygen(key=None):
-            return natsort_keygen(
-                key=key, alg=ns.LOCALE | ns.PATH | ns.IGNORECASE
-            )
+            return natsort_keygen(key=key, alg=ns.LOCALE | ns.PATH | ns.IGNORECASE)
 
     else:
         # ICU installed
diff --git a/natsort/ns_enum.py b/natsort/ns_enum.py
index fed7c38..283a793 100644
--- a/natsort/ns_enum.py
+++ b/natsort/ns_enum.py
@@ -65,9 +65,7 @@ for name, combo in enum_combos:
         combined_value |= enum_fields[combo_name]
     enum_fields[name] = combined_value
 
-enum_fields.update(
-    (alias, enum_fields[name]) for alias, name in enum_aliases
-)
+enum_fields.update((alias, enum_fields[name]) for alias, name in enum_aliases)
 
 
 # Subclass the namedtuple to improve the docstring.
diff --git a/setup.py b/setup.py
index a15a580..d521491 100644
--- a/setup.py
+++ b/setup.py
@@ -1,14 +1,12 @@
 #! /usr/bin/env python
 
 from setuptools import find_packages, setup
+
 setup(
-    name='natsort',
-    version='7.1.0',
+    name="natsort",
+    version="7.1.0",
     packages=find_packages(),
-    entry_points={'console_scripts': ['natsort = natsort.__main__:main']},
+    entry_points={"console_scripts": ["natsort = natsort.__main__:main"]},
     python_requires=">=3.4",
-    extras_require={
-        'fast': ["fastnumbers >= 2.0.0"],
-        'icu': ["PyICU >= 1.0.0"]
-    }
+    extras_require={"fast": ["fastnumbers >= 2.0.0"], "icu": ["PyICU >= 1.0.0"]},
 )
diff --git a/tests/conftest.py b/tests/conftest.py
index d584789..74d7f4f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -12,8 +12,7 @@ import pytest
 # For some reason it thinks that the text/binary generation is too
 # slow then causes the tests to fail.
 hypothesis.settings.register_profile(
-    "slow-tests",
-    suppress_health_check=[hypothesis.HealthCheck.too_slow],
+    "slow-tests", suppress_health_check=[hypothesis.HealthCheck.too_slow]
 )
 
 
diff --git a/tests/test_final_data_transform_factory.py b/tests/test_final_data_transform_factory.py
index dc6e1db..f6bf636 100644
--- a/tests/test_final_data_transform_factory.py
+++ b/tests/test_final_data_transform_factory.py
@@ -26,8 +26,8 @@ def test_final_data_transform_factory_default(x, y, alg):
         (ns.LOCALE | ns.UNGROUPLETTERS | NS_DUMB, lambda x: x),
         (ns.LOCALE | ns.UNGROUPLETTERS | ns.LOWERCASEFIRST, lambda x: x),
         (
-                ns.LOCALE | ns.UNGROUPLETTERS | NS_DUMB | ns.LOWERCASEFIRST,
-                lambda x: x.swapcase(),
+            ns.LOCALE | ns.UNGROUPLETTERS | NS_DUMB | ns.LOWERCASEFIRST,
+            lambda x: x.swapcase(),
         ),
     ],
 )
diff --git a/tests/test_main.py b/tests/test_main.py
index 1b01fbf..da91fdd 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -151,11 +151,11 @@ def test_range_check_returns_range_as_is_but_with_floats_example():
     assert range_check(6.4, 30) == (6.4, 30.0)
 
 
-@given(x=floats(allow_nan=False, min_value=-1E8, max_value=1E8) | integers(), d=data())
+@given(x=floats(allow_nan=False, min_value=-1e8, max_value=1e8) | integers(), d=data())
 def test_range_check_returns_range_as_is_if_first_is_less_than_second(x, d):
     # Pull data such that the first is less than the second.
     if isinstance(x, float):
-        y = d.draw(floats(min_value=x + 1.0, max_value=1E9, allow_nan=False))
+        y = d.draw(floats(min_value=x + 1.0, max_value=1e9, allow_nan=False))
     else:
         y = d.draw(integers(min_value=x + 1))
     assert range_check(x, y) == (x, y)
diff --git a/tests/test_natsorted.py b/tests/test_natsorted.py
index 2a881f1..4254e6c 100644
--- a/tests/test_natsorted.py
+++ b/tests/test_natsorted.py
@@ -88,12 +88,12 @@ def test_natsorted_handles_mixed_types(mixed_list, alg, expected):
 @pytest.mark.parametrize(
     "alg, expected, slc",
     [
-        (ns.DEFAULT, [float("nan"), 5, "25", 1E40], slice(1, None)),
-        (ns.NANLAST, [5, "25", 1E40, float("nan")], slice(None, 3)),
+        (ns.DEFAULT, [float("nan"), 5, "25", 1e40], slice(1, None)),
+        (ns.NANLAST, [5, "25", 1e40, float("nan")], slice(None, 3)),
     ],
 )
 def test_natsorted_handles_nan(alg, expected, slc):
-    given = ["25", 5, float("nan"), 1E40]
+    given = ["25", 5, float("nan"), 1e40]
     # The slice is because NaN != NaN
     # noinspection PyUnresolvedReferences
     assert natsorted(given, alg=alg)[slc] == expected[slc]
diff --git a/tests/test_natsorted_convenience.py b/tests/test_natsorted_convenience.py
index 7a91556..cdc2c50 100644
--- a/tests/test_natsorted_convenience.py
+++ b/tests/test_natsorted_convenience.py
@@ -43,9 +43,7 @@ def test_decoder_returns_function_that_can_decode_bytes_but_return_non_bytes_as_
     int_obj = 14
     assert func(b"bytes") == str_obj
     assert func(int_obj) is int_obj  # returns as-is, same object ID
-    assert (
-        func(str_obj) is str_obj
-    )  # same object returned b/c only bytes has decode
+    assert func(str_obj) is str_obj  # same object returned b/c only bytes has decode
 
 
 def test_as_ascii_converts_bytes_to_ascii():
diff --git a/tests/test_regex.py b/tests/test_regex.py
index 8d12969..f647f5f 100644
--- a/tests/test_regex.py
+++ b/tests/test_regex.py
@@ -81,7 +81,7 @@ regex_tests = {
         f_s: ["", "12", "", "①", "", "②", "", "Ⅰ", "", "Ⅱ", "", "⅓", ""],
         f_ue: ["", "12", "", "①", "", "②", "", "Ⅰ", "", "Ⅱ", "", "⅓", ""],
         f_se: ["", "12", "", "①", "", "②", "", "Ⅰ", "", "Ⅱ", "", "⅓", ""],
-    }
+    },
 }
 
 
diff --git a/tests/test_string_component_transform_factory.py b/tests/test_string_component_transform_factory.py
index c48138f..8b77d38 100644
--- a/tests/test_string_component_transform_factory.py
+++ b/tests/test_string_component_transform_factory.py
@@ -15,9 +15,7 @@ from natsort.utils import groupletters, string_component_transform_factory
 # library on BSD systems that has nothing to do with natsort (a ValueError is
 # raised by strxfrm). Let's filter them out.
 try:
-    bad_uni_chars = frozenset(
-        chr(x) for x in range(0X10fefd, 0X10ffff + 1)
-    )
+    bad_uni_chars = frozenset(chr(x) for x in range(0x10FEFD, 0x10FFFF + 1))
 except ValueError:
     # Narrow unicode build... no worries.
     bad_uni_chars = frozenset()