diff --git a/docker/scripts/generate_launcher_config.py b/docker/scripts/generate_launcher_config.py
index 0496140e..21a8beb6 100755
--- a/docker/scripts/generate_launcher_config.py
+++ b/docker/scripts/generate_launcher_config.py
@@ -6,34 +6,37 @@
 
 def run(input_path, apps_path, out_path):
     default_command_flags = [
-        '--host', '${host}',
-        '--port', '${port}',
-        '--authKey', '${secret}',
-        '--server',
+        "--host",
+        "${host}",
+        "--port",
+        "${port}",
+        "--authKey",
+        "${secret}",
+        "--server",
     ]
-    default_ready_line = 'Starting factory'
+    default_ready_line = "Starting factory"
 
-    with open(input_path, 'r') as rf:
+    with open(input_path, "r") as rf:
         input_dict = json.load(rf)
 
     if not Path(apps_path).exists():
-        raise Exception(f'{apps_path} does not exist')
+        raise Exception(f"{apps_path} does not exist")
 
-    with open(apps_path, 'r') as rf:
+    with open(apps_path, "r") as rf:
         apps_dict = json.load(rf)
 
     if not apps_dict:
-        raise Exception(f'{apps_path} is empty')
+        raise Exception(f"{apps_path} is empty")
 
     for app_name, config in apps_dict.items():
-        if 'app' not in config:
+        if "app" not in config:
             msg = (
                 f'In {apps_path}, every app must contain an "app" key, but '
                 f'"{app_name}" does not'
             )
             raise Exception(msg)
 
-        if 'cmd' in config and 'args' in config:
+        if "cmd" in config and "args" in config:
             msg = (
                 f'In {apps_path}, "args" and "cmd" cannot both be specified. '
                 '"args" is for appending extra args to the default "cmd", but '
@@ -42,33 +45,33 @@ def run(input_path, apps_path, out_path):
             )
             raise Exception(msg)
 
-        app = config['app']
+        app = config["app"]
         default_cmd = [app] + default_command_flags
-        cmd = config.get('cmd', default_cmd)
-        cmd += config.get('args', [])
-        ready_line = config.get('ready_line', default_ready_line)
-
-        input_dict.setdefault('apps', {})
-        input_dict['apps'][app_name] = {
-            'cmd': cmd,
-            'ready_line': ready_line,
+        cmd = config.get("cmd", default_cmd)
+        cmd += config.get("args", [])
+        ready_line = config.get("ready_line", default_ready_line)
+
+        input_dict.setdefault("apps", {})
+        input_dict["apps"][app_name] = {
+            "cmd": cmd,
+            "ready_line": ready_line,
         }
 
-    if 'trame' not in input_dict['apps']:
+    if "trame" not in input_dict["apps"]:
         # Make a copy of the first app and put it in PyWebVue, so that
         # the default localhost:9000 web page will use that app.
-        first_key = next(iter(input_dict['apps']))
-        input_dict['apps']['trame'] = input_dict['apps'][first_key]
+        first_key = next(iter(input_dict["apps"]))
+        input_dict["apps"]["trame"] = input_dict["apps"][first_key]
 
-    with open(out_path, 'w') as wf:
+    with open(out_path, "w") as wf:
         json.dump(input_dict, wf, indent=2)
 
 
-if __name__ == '__main__':
-    default_input_path = '/opt/trame/default-launcher.json'
-    override_input_path = '/deploy/setup/launcher.json'
-    apps_path = '/opt/trame/apps.json'
-    out_path = '/deploy/server/launcher.json'
+if __name__ == "__main__":
+    default_input_path = "/opt/trame/default-launcher.json"
+    override_input_path = "/deploy/setup/launcher.json"
+    apps_path = "/opt/trame/apps.json"
+    out_path = "/deploy/server/launcher.json"
 
     if Path(override_input_path).exists():
         input_path = override_input_path
diff --git a/docker/scripts/generate_www.py b/docker/scripts/generate_www.py
index 5c2a27ea..60f2a0de 100755
--- a/docker/scripts/generate_www.py
+++ b/docker/scripts/generate_www.py
@@ -6,10 +6,10 @@
 
 def run(apps_path, out_path, *modules):
     # generate www content
-    cmd = ["python", "-m", "trame.tools.www", "--output", f'{out_path}', *modules]
+    cmd = ["python", "-m", "trame.tools.www", "--output", f"{out_path}", *modules]
     subprocess.run(cmd)
 
-    with open(apps_path, 'r') as rf:
+    with open(apps_path, "r") as rf:
         apps_dict = json.load(rf)
 
     # FIXME need to generate index.html => {app_name}.html
@@ -19,8 +19,17 @@ def run(apps_path, out_path, *modules):
     #     => replace data-app-name="trame" => data-app-name="{name}"
 
 
-if __name__ == '__main__':
-    apps_path = '/opt/trame/apps.json'
-    out_path = '/deploy/server/www'
-    modules = ["client", "trame", "vtk", "vuetify", "plotly", "router", "vega", "markdown"]
+if __name__ == "__main__":
+    apps_path = "/opt/trame/apps.json"
+    out_path = "/deploy/server/www"
+    modules = [
+        "client",
+        "trame",
+        "vtk",
+        "vuetify",
+        "plotly",
+        "router",
+        "vega",
+        "markdown",
+    ]
     run(apps_path, out_path, *modules)
diff --git a/docker/scripts/yaml_to_json.py b/docker/scripts/yaml_to_json.py
index ff30ad5f..26287aed 100755
--- a/docker/scripts/yaml_to_json.py
+++ b/docker/scripts/yaml_to_json.py
@@ -5,13 +5,13 @@
 import yaml
 
 if len(sys.argv) < 3:
-    sys.exit('Usage: <script> <input_yaml> <output_json>')
+    sys.exit("Usage: <script> <input_yaml> <output_json>")
 
 input_file = sys.argv[1]
 output_file = sys.argv[2]
 
-with open(input_file, 'r') as rf:
+with open(input_file, "r") as rf:
     input_dict = yaml.safe_load(rf)
 
-with open(output_file, 'w') as wf:
+with open(output_file, "w") as wf:
     json.dump(input_dict, wf, indent=2)
diff --git a/docs/api/source/conf.py b/docs/api/source/conf.py
index 59b59bea..3d1e33b2 100644
--- a/docs/api/source/conf.py
+++ b/docs/api/source/conf.py
@@ -59,21 +59,26 @@
 
 # -- Modify environment variables --------------------------------------------
 
-os.environ.update({
-    "TRAME_PARAVIEW_FAIL_SILENTLY": "True",
-})
+os.environ.update(
+    {
+        "TRAME_PARAVIEW_FAIL_SILENTLY": "True",
+    }
+)
 
 # -- Hooks for sphinx events -------------------------------------------------
 
+
 def run_apidoc(_):
 
     # Override the apidoc options with what we want
     apidoc.OPTIONS.clear()
-    apidoc.OPTIONS.extend([
-        "members",
-        "imported-members",
-        "show-inheritance",
-    ])
+    apidoc.OPTIONS.extend(
+        [
+            "members",
+            "imported-members",
+            "show-inheritance",
+        ]
+    )
 
     exclude_paths = [
         "env/utils.py",
@@ -91,8 +96,10 @@ def run_apidoc(_):
         "-T",
         "-e",
         "-M",
-        "-o", cur_path,
-        "-t", templates_path,
+        "-o",
+        cur_path,
+        "-t",
+        templates_path,
         module_path,
     ] + exclude_paths