diff --git a/.gitignore b/.gitignore
index e4a98b9..45d89a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,4 +106,7 @@ venv.bak/
 # vim
 *.swp
 
+# VSCode
+.vscode/
+
 .DS_STORE
diff --git a/circup.py b/circup.py
index 50f54cd..ef1e318 100644
--- a/circup.py
+++ b/circup.py
@@ -146,7 +146,9 @@ class Module:
             try:
                 return compare(self.device_version, self.bundle_version) < 0
             except ValueError as ex:
-                logger.warning("Module '%s' has incorrect semver value.", self.name)
+                logger.warning(
+                    "Module '%s' has incorrect semver value.", self.name
+                )
                 logger.warning(ex)
         return True  # Assume out of date to try to update.
 
@@ -254,7 +256,10 @@ def find_device():
         try:
             for disk in "ABCDEFGHIJKLMNOPQRSTUVWXYZ":
                 path = "{}:\\".format(disk)
-                if os.path.exists(path) and get_volume_name(path) == "CIRCUITPY":
+                if (
+                    os.path.exists(path)
+                    and get_volume_name(path) == "CIRCUITPY"
+                ):
                     device_dir = path
                     # Report only the FIRST device found.
                     break
@@ -311,7 +316,9 @@ def extract_metadata(path):
             if DUNDER_ASSIGN_RE.search(line):
                 exec(line, result)
         if "__builtins__" in result:
-            del result["__builtins__"]  # Side effect of using exec, not needed.
+            del result[
+                "__builtins__"
+            ]  # Side effect of using exec, not needed.
         if result:
             logger.info("Extracted metadata: %s", result)
         return result
@@ -364,7 +371,9 @@ def find_modules():
                 device_version = device_metadata.get("__version__")
                 bundle_version = bundle_metadata.get("__version__")
                 mpy = device_metadata["mpy"]
-                result.append(Module(path, repo, device_version, bundle_version, mpy))
+                result.append(
+                    Module(path, repo, device_version, bundle_version, mpy)
+                )
         return result
     except Exception as ex:
         # If it's not possible to get the device and bundle metadata, bail out
@@ -439,17 +448,23 @@ def get_modules(path):
         if not os.path.basename(os.path.normpath(d)).startswith(".")
     ]
     single_file_mods = single_file_py_mods + single_file_mpy_mods
-    for sfm in [f for f in single_file_mods if not os.path.basename(f).startswith(".")]:
+    for sfm in [
+        f for f in single_file_mods if not os.path.basename(f).startswith(".")
+    ]:
         metadata = extract_metadata(sfm)
         metadata["path"] = sfm
-        result[os.path.basename(sfm).replace(".py", "").replace(".mpy", "")] = metadata
+        result[
+            os.path.basename(sfm).replace(".py", "").replace(".mpy", "")
+        ] = metadata
     for dm in directory_mods:
         name = os.path.basename(os.path.dirname(dm))
         metadata = {}
         py_files = glob.glob(os.path.join(dm, "*.py"))
         mpy_files = glob.glob(os.path.join(dm, "*.mpy"))
         all_files = py_files + mpy_files
-        for source in [f for f in all_files if not os.path.basename(f).startswith(".")]:
+        for source in [
+            f for f in all_files if not os.path.basename(f).startswith(".")
+        ]:
             metadata = extract_metadata(source)
             if "__version__" in metadata:
                 metadata["path"] = dm
@@ -516,12 +531,16 @@ def get_bundle(tag):
         "5mpy": (
             "https://github.com/adafruit/Adafruit_CircuitPython_Bundle"
             "/releases/download"
-            "/{tag}/adafruit-circuitpython-bundle-5.x-mpy-{tag}.zip".format(tag=tag)
+            "/{tag}/adafruit-circuitpython-bundle-5.x-mpy-{tag}.zip".format(
+                tag=tag
+            )
         ),
         "6mpy": (
             "https://github.com/adafruit/Adafruit_CircuitPython_Bundle/"
             "releases/download"
-            "/{tag}/adafruit-circuitpython-bundle-6.x-mpy-{tag}.zip".format(tag=tag)
+            "/{tag}/adafruit-circuitpython-bundle-6.x-mpy-{tag}.zip".format(
+                tag=tag
+            )
         ),
     }
     click.echo("Downloading latest version information.\n")
@@ -535,9 +554,9 @@ def get_bundle(tag):
         # pylint: enable=no-member
         total_size = int(r.headers.get("Content-Length"))
         temp_zip = BUNDLE_ZIP.format(platform)
-        with click.progressbar(r.iter_content(1024), length=total_size) as pbar, open(
-            temp_zip, "wb"
-        ) as f:
+        with click.progressbar(
+            r.iter_content(1024), length=total_size
+        ) as pbar, open(temp_zip, "wb") as f:
             for chunk in pbar:
                 f.write(chunk)
                 pbar.update(len(chunk))
@@ -588,7 +607,9 @@ def main(verbose):  # pragma: no cover
     global CPY_VERSION
     CPY_VERSION = get_circuitpython_version(device_path)
     click.echo(
-        "Found device at {}, running CircuitPython {}.".format(device_path, CPY_VERSION)
+        "Found device at {}, running CircuitPython {}.".format(
+            device_path, CPY_VERSION
+        )
     )
     cp_release = requests.get(
         "https://github.com/adafruit/circuitpython/releases/latest", timeout=2
@@ -627,7 +648,9 @@ def freeze(requirement):  # pragma: no cover
             cwd = os.path.abspath(os.getcwd())
             for i, module in enumerate(output):
                 output[i] += "\n"
-            with open(cwd + "/" + "requirements.txt", "w", newline="\n") as file:
+            with open(
+                cwd + "/" + "requirements.txt", "w", newline="\n"
+            ) as file:
                 file.truncate(0)
                 file.writelines(output)
     else:
@@ -653,7 +676,8 @@ def list():  # pragma: no cover
         dashes = tuple(("-" * (width - 1) for width in col_width))
         data.insert(1, dashes)
         click.echo(
-            "The following modules are out of date or probably need " "an update.\n"
+            "The following modules are out of date or probably need "
+            "an update.\n"
         )
         for row in data:
             output = ""
@@ -697,7 +721,9 @@ def update(all):  # pragma: no cover
                 except Exception as ex:
                     logger.exception(ex)
                     click.echo(
-                        "Something went wrong, {} (check the logs)".format(str(ex))
+                        "Something went wrong, {} (check the logs)".format(
+                            str(ex)
+                        )
                     )
                 # pylint: enable=broad-except
     else:
@@ -763,10 +789,14 @@ def install_module(name, py, mod_names):  # pragma: no cover
                 shutil.copyfile(source_path, target_path)
         else:
             # Use pre-compiled mpy modules.
-            module_name = os.path.basename(metadata["path"]).replace(".py", ".mpy")
+            module_name = os.path.basename(metadata["path"]).replace(
+                ".py", ".mpy"
+            )
             if not module_name:
                 # Must be a directory based module.
-                module_name = os.path.basename(os.path.dirname(metadata["path"]))
+                module_name = os.path.basename(
+                    os.path.dirname(metadata["path"])
+                )
             major_version = CPY_VERSION.split(".")[0]
             bundle_platform = "{}mpy".format(major_version)
             bundle_path = ""
diff --git a/tests/test_circup.py b/tests/test_circup.py
index d830266..40b87ee 100644
--- a/tests/test_circup.py
+++ b/tests/test_circup.py
@@ -131,7 +131,9 @@ def test_Module_row():
     bundle_version = None
     bundle_path = os.path.join("baz", "bar", "foo", "module.py")
     with mock.patch("circup.os.path.isfile", return_value=True):
-        m = circup.Module(path, repo, device_version, bundle_version, bundle_path)
+        m = circup.Module(
+            path, repo, device_version, bundle_version, bundle_path
+        )
     assert m.row == ("module", "1.2.3", "unknown")
 
 
@@ -220,7 +222,9 @@ def test_find_device_posix_no_mount_command():
     with open("tests/mount_exists.txt", "rb") as fixture_file:
         fixture = fixture_file.read()
     mock_check = mock.MagicMock(side_effect=[FileNotFoundError, fixture])
-    with mock.patch("os.name", "posix"), mock.patch("circup.check_output", mock_check):
+    with mock.patch("os.name", "posix"), mock.patch(
+        "circup.check_output", mock_check
+    ):
         assert circup.find_device() == "/media/ntoll/CIRCUITPY"
         assert mock_check.call_count == 2
         assert mock_check.call_args_list[0][0][0] == "mount"
@@ -295,7 +299,8 @@ def test_get_latest_tag():
         "/Adafruit_CircuitPython_Bundle/releases/tag/20190903"
     )
     expected_url = (
-        "https://github.com/adafruit/Adafruit_CircuitPython_Bundle" "/releases/latest"
+        "https://github.com/adafruit/Adafruit_CircuitPython_Bundle"
+        "/releases/latest"
     )
     with mock.patch("circup.requests.get", return_value=response) as mock_get:
         result = circup.get_latest_tag()
@@ -315,7 +320,9 @@ def test_extract_metadata_python():
         'print("Hello, world!")\n'
     )
     path = "foo.py"
-    with mock.patch("builtins.open", mock.mock_open(read_data=code)) as mock_open:
+    with mock.patch(
+        "builtins.open", mock.mock_open(read_data=code)
+    ) as mock_open:
         result = circup.extract_metadata(path)
         mock_open.assert_called_once_with(path, encoding="utf-8")
     assert len(result) == 3
@@ -377,7 +384,9 @@ def test_get_bundle_versions():
     dirs = (("foo/bar/lib", "", ""),)
     with mock.patch("circup.ensure_latest_bundle"), mock.patch(
         "circup.os.walk", return_value=dirs
-    ) as mock_walk, mock.patch("circup.get_modules", return_value="ok") as mock_gm:
+    ) as mock_walk, mock.patch(
+        "circup.get_modules", return_value="ok"
+    ) as mock_gm:
         assert circup.get_bundle_versions() == "ok"
         mock_walk.assert_called_once_with(circup.BUNDLE_DIR.format("py"))
         mock_gm.assert_called_once_with("foo/bar/lib")
@@ -396,16 +405,18 @@ def test_get_circuitpython_version():
     device_path = "device"
     with mock.patch("builtins.open", mock_open):
         assert circup.get_circuitpython_version(device_path) == "4.1.0"
-        mock_open.assert_called_once_with(os.path.join(device_path, "boot_out.txt"))
+        mock_open.assert_called_once_with(
+            os.path.join(device_path, "boot_out.txt")
+        )
 
 
 def test_get_device_versions():
     """
     Ensure get_modules is called with the path for the attached device.
     """
-    with mock.patch("circup.find_device", return_value="CIRCUITPYTHON"), mock.patch(
-        "circup.get_modules", return_value="ok"
-    ) as mock_gm:
+    with mock.patch(
+        "circup.find_device", return_value="CIRCUITPYTHON"
+    ), mock.patch("circup.get_modules", return_value="ok") as mock_gm:
         assert circup.get_device_versions() == "ok"
         mock_gm.assert_called_once_with(os.path.join("CIRCUITPYTHON", "lib"))
 
@@ -435,7 +446,9 @@ def test_get_modules_that_are_files():
         assert result["local_module"]["path"] == os.path.join(
             "tests", "local_module.py"
         )
-        assert result["local_module"]["__version__"] == "1.2.3"  # from fixture.
+        assert (
+            result["local_module"]["__version__"] == "1.2.3"
+        )  # from fixture.
         repo = "https://github.com/adafruit/SomeLibrary.git"  # from fixture.
         assert result["local_module"]["__repo__"] == repo
 
@@ -454,11 +467,15 @@ def test_get_modules_that_are_directories():
         "tests/dir_module/my_module.py",
         "tests/dir_module/__init__.py",
     ]
-    with mock.patch("circup.glob.glob", side_effect=[[], [], mods, mod_files, []]):
+    with mock.patch(
+        "circup.glob.glob", side_effect=[[], [], mods, mod_files, []]
+    ):
         result = circup.get_modules(path)
         assert len(result) == 1
         assert "dir_module" in result
-        assert result["dir_module"]["path"] == os.path.join("tests", "dir_module", "")
+        assert result["dir_module"]["path"] == os.path.join(
+            "tests", "dir_module", ""
+        )
         assert result["dir_module"]["__version__"] == "3.2.1"  # from fixture.
         repo = "https://github.com/adafruit/SomeModule.git"  # from fixture.
         assert result["dir_module"]["__repo__"] == repo
@@ -475,11 +492,15 @@ def test_get_modules_that_are_directories_with_no_metadata():
         "tests/bad_module/my_module.py",
         "tests/bad_module/__init__.py",
     ]
-    with mock.patch("circup.glob.glob", side_effect=[[], [], mods, mod_files, []]):
+    with mock.patch(
+        "circup.glob.glob", side_effect=[[], [], mods, mod_files, []]
+    ):
         result = circup.get_modules(path)
         assert len(result) == 1
         assert "bad_module" in result
-        assert result["bad_module"]["path"] == os.path.join("tests", "bad_module", "")
+        assert result["bad_module"]["path"] == os.path.join(
+            "tests", "bad_module", ""
+        )
         assert "__version__" not in result["bad_module"]
         assert "__repo__" not in result["bad_module"]
 
@@ -510,7 +531,8 @@ def test_ensure_latest_bundle_bad_bundle_data():
     ), mock.patch("circup.open"), mock.patch(
         "circup.get_bundle"
     ) as mock_gb, mock.patch(
-        "circup.json.load", side_effect=json.decoder.JSONDecodeError("BANG!", "doc", 1),
+        "circup.json.load",
+        side_effect=json.decoder.JSONDecodeError("BANG!", "doc", 1),
     ), mock.patch(
         "circup.json.dump"
     ), mock.patch(