We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Fix simple typo: seperate -> separate
# Issue Type

[x] Bug (Typo)

# Steps to Replicate

1. Examine mkdocs/commands/serve.py.
2. Search for `seperate`.

# Expected Behaviour

1. Should read `separate`.



--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `mkdocs/commands/serve.py`
Content:
```
1 import logging
2 import shutil
3 import tempfile
4 import sys
5 
6 from os.path import isfile, join
7 from mkdocs.commands.build import build
8 from mkdocs.config import load_config
9 
10 log = logging.getLogger(__name__)
11 
12 
13 def _init_asyncio_patch():
14     """
15     Select compatible event loop for Tornado 5+.
16 
17     As of Python 3.8, the default event loop on Windows is `proactor`,
18     however Tornado requires the old default "selector" event loop.
19     As Tornado has decided to leave this to users to set, MkDocs needs
20     to set it. See https://github.com/tornadoweb/tornado/issues/2608.
21     """
22     if sys.platform.startswith("win") and sys.version_info >= (3, 8):
23         import asyncio
24         try:
25             from asyncio import WindowsSelectorEventLoopPolicy
26         except ImportError:
27             pass  # Can't assign a policy which doesn't exist.
28         else:
29             if not isinstance(asyncio.get_event_loop_policy(), WindowsSelectorEventLoopPolicy):
30                 asyncio.set_event_loop_policy(WindowsSelectorEventLoopPolicy())
31 
32 
33 def _get_handler(site_dir, StaticFileHandler):
34 
35     from tornado.template import Loader
36 
37     class WebHandler(StaticFileHandler):
38 
39         def write_error(self, status_code, **kwargs):
40 
41             if status_code in (404, 500):
42                 error_page = '{}.html'.format(status_code)
43                 if isfile(join(site_dir, error_page)):
44                     self.write(Loader(site_dir).load(error_page).generate())
45                 else:
46                     super().write_error(status_code, **kwargs)
47 
48     return WebHandler
49 
50 
51 def _livereload(host, port, config, builder, site_dir):
52 
53     # We are importing here for anyone that has issues with livereload. Even if
54     # this fails, the --no-livereload alternative should still work.
55     _init_asyncio_patch()
56     from livereload import Server
57     import livereload.handlers
58 
59     class LiveReloadServer(Server):
60 
61         def get_web_handlers(self, script):
62             handlers = super().get_web_handlers(script)
63             # replace livereload handler
64             return [(handlers[0][0], _get_handler(site_dir, livereload.handlers.StaticFileHandler), handlers[0][2],)]
65 
66     server = LiveReloadServer()
67 
68     # Watch the documentation files, the config file and the theme files.
69     server.watch(config['docs_dir'], builder)
70     server.watch(config['config_file_path'], builder)
71 
72     for d in config['theme'].dirs:
73         server.watch(d, builder)
74 
75     # Run `serve` plugin events.
76     server = config['plugins'].run_event('serve', server, config=config)
77 
78     server.serve(root=site_dir, host=host, port=port, restart_delay=0)
79 
80 
81 def _static_server(host, port, site_dir):
82 
83     # Importing here to seperate the code paths from the --livereload
84     # alternative.
85     _init_asyncio_patch()
86     from tornado import ioloop
87     from tornado import web
88 
89     application = web.Application([
90         (r"/(.*)", _get_handler(site_dir, web.StaticFileHandler), {
91             "path": site_dir,
92             "default_filename": "index.html"
93         }),
94     ])
95     application.listen(port=port, address=host)
96 
97     log.info('Running at: http://%s:%s/', host, port)
98     log.info('Hold ctrl+c to quit.')
99     try:
100         ioloop.IOLoop.instance().start()
101     except KeyboardInterrupt:
102         log.info('Stopping server...')
103 
104 
105 def serve(config_file=None, dev_addr=None, strict=None, theme=None,
106           theme_dir=None, livereload='livereload', **kwargs):
107     """
108     Start the MkDocs development server
109 
110     By default it will serve the documentation on http://localhost:8000/ and
111     it will rebuild the documentation and refresh the page automatically
112     whenever a file is edited.
113     """
114 
115     # Create a temporary build directory, and set some options to serve it
116     # PY2 returns a byte string by default. The Unicode prefix ensures a Unicode
117     # string is returned. And it makes MkDocs temp dirs easier to identify.
118     site_dir = tempfile.mkdtemp(prefix='mkdocs_')
119 
120     def builder():
121         log.info("Building documentation...")
122         config = load_config(
123             config_file=config_file,
124             dev_addr=dev_addr,
125             strict=strict,
126             theme=theme,
127             theme_dir=theme_dir,
128             site_dir=site_dir,
129             **kwargs
130         )
131         # Override a few config settings after validation
132         config['site_url'] = 'http://{}/'.format(config['dev_addr'])
133 
134         live_server = livereload in ['dirty', 'livereload']
135         dirty = livereload == 'dirty'
136         build(config, live_server=live_server, dirty=dirty)
137         return config
138 
139     try:
140         # Perform the initial build
141         config = builder()
142 
143         host, port = config['dev_addr']
144 
145         if livereload in ['livereload', 'dirty']:
146             _livereload(host, port, config, builder, site_dir)
147         else:
148             _static_server(host, port, site_dir)
149     finally:
150         shutil.rmtree(site_dir)
151
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/mkdocs/commands/serve.py b/mkdocs/commands/serve.py
--- a/mkdocs/commands/serve.py
+++ b/mkdocs/commands/serve.py
@@ -80,7 +80,7 @@
 
 def _static_server(host, port, site_dir):
 
-    # Importing here to seperate the code paths from the --livereload
+    # Importing here to separate the code paths from the --livereload
     # alternative.
     _init_asyncio_patch()
     from tornado import ioloop

{"golden_diff": "diff --git a/mkdocs/commands/serve.py b/mkdocs/commands/serve.py\n--- a/mkdocs/commands/serve.py\n+++ b/mkdocs/commands/serve.py\n@@ -80,7 +80,7 @@\n \n def _static_server(host, port, site_dir):\n \n-    # Importing here to seperate the code paths from the --livereload\n+    # Importing here to separate the code paths from the --livereload\n     # alternative.\n     _init_asyncio_patch()\n     from tornado import ioloop\n", "issue": "Fix simple typo: seperate -> separate\n# Issue Type\n\n[x] Bug (Typo)\n\n# Steps to Replicate\n\n1. Examine mkdocs/commands/serve.py.\n2. Search for `seperate`.\n\n# Expected Behaviour\n\n1. Should read `separate`.\n\n\n", "before_files": [{"content": "import logging\nimport shutil\nimport tempfile\nimport sys\n\nfrom os.path import isfile, join\nfrom mkdocs.commands.build import build\nfrom mkdocs.config import load_config\n\nlog = logging.getLogger(__name__)\n\n\ndef _init_asyncio_patch():\n    \"\"\"\n    Select compatible event loop for Tornado 5+.\n\n    As of Python 3.8, the default event loop on Windows is `proactor`,\n    however Tornado requires the old default \"selector\" event loop.\n    As Tornado has decided to leave this to users to set, MkDocs needs\n    to set it. See https://github.com/tornadoweb/tornado/issues/2608.\n    \"\"\"\n    if sys.platform.startswith(\"win\") and sys.version_info >= (3, 8):\n        import asyncio\n        try:\n            from asyncio import WindowsSelectorEventLoopPolicy\n        except ImportError:\n            pass  # Can't assign a policy which doesn't exist.\n        else:\n            if not isinstance(asyncio.get_event_loop_policy(), WindowsSelectorEventLoopPolicy):\n                asyncio.set_event_loop_policy(WindowsSelectorEventLoopPolicy())\n\n\ndef _get_handler(site_dir, StaticFileHandler):\n\n    from tornado.template import Loader\n\n    class WebHandler(StaticFileHandler):\n\n        def write_error(self, status_code, **kwargs):\n\n            if status_code in (404, 500):\n                error_page = '{}.html'.format(status_code)\n                if isfile(join(site_dir, error_page)):\n                    self.write(Loader(site_dir).load(error_page).generate())\n                else:\n                    super().write_error(status_code, **kwargs)\n\n    return WebHandler\n\n\ndef _livereload(host, port, config, builder, site_dir):\n\n    # We are importing here for anyone that has issues with livereload. Even if\n    # this fails, the --no-livereload alternative should still work.\n    _init_asyncio_patch()\n    from livereload import Server\n    import livereload.handlers\n\n    class LiveReloadServer(Server):\n\n        def get_web_handlers(self, script):\n            handlers = super().get_web_handlers(script)\n            # replace livereload handler\n            return [(handlers[0][0], _get_handler(site_dir, livereload.handlers.StaticFileHandler), handlers[0][2],)]\n\n    server = LiveReloadServer()\n\n    # Watch the documentation files, the config file and the theme files.\n    server.watch(config['docs_dir'], builder)\n    server.watch(config['config_file_path'], builder)\n\n    for d in config['theme'].dirs:\n        server.watch(d, builder)\n\n    # Run `serve` plugin events.\n    server = config['plugins'].run_event('serve', server, config=config)\n\n    server.serve(root=site_dir, host=host, port=port, restart_delay=0)\n\n\ndef _static_server(host, port, site_dir):\n\n    # Importing here to seperate the code paths from the --livereload\n    # alternative.\n    _init_asyncio_patch()\n    from tornado import ioloop\n    from tornado import web\n\n    application = web.Application([\n        (r\"/(.*)\", _get_handler(site_dir, web.StaticFileHandler), {\n            \"path\": site_dir,\n            \"default_filename\": \"index.html\"\n        }),\n    ])\n    application.listen(port=port, address=host)\n\n    log.info('Running at: http://%s:%s/', host, port)\n    log.info('Hold ctrl+c to quit.')\n    try:\n        ioloop.IOLoop.instance().start()\n    except KeyboardInterrupt:\n        log.info('Stopping server...')\n\n\ndef serve(config_file=None, dev_addr=None, strict=None, theme=None,\n          theme_dir=None, livereload='livereload', **kwargs):\n    \"\"\"\n    Start the MkDocs development server\n\n    By default it will serve the documentation on http://localhost:8000/ and\n    it will rebuild the documentation and refresh the page automatically\n    whenever a file is edited.\n    \"\"\"\n\n    # Create a temporary build directory, and set some options to serve it\n    # PY2 returns a byte string by default. The Unicode prefix ensures a Unicode\n    # string is returned. And it makes MkDocs temp dirs easier to identify.\n    site_dir = tempfile.mkdtemp(prefix='mkdocs_')\n\n    def builder():\n        log.info(\"Building documentation...\")\n        config = load_config(\n            config_file=config_file,\n            dev_addr=dev_addr,\n            strict=strict,\n            theme=theme,\n            theme_dir=theme_dir,\n            site_dir=site_dir,\n            **kwargs\n        )\n        # Override a few config settings after validation\n        config['site_url'] = 'http://{}/'.format(config['dev_addr'])\n\n        live_server = livereload in ['dirty', 'livereload']\n        dirty = livereload == 'dirty'\n        build(config, live_server=live_server, dirty=dirty)\n        return config\n\n    try:\n        # Perform the initial build\n        config = builder()\n\n        host, port = config['dev_addr']\n\n        if livereload in ['livereload', 'dirty']:\n            _livereload(host, port, config, builder, site_dir)\n        else:\n            _static_server(host, port, site_dir)\n    finally:\n        shutil.rmtree(site_dir)\n", "path": "mkdocs/commands/serve.py"}], "after_files": [{"content": "import logging\nimport shutil\nimport tempfile\nimport sys\n\nfrom os.path import isfile, join\nfrom mkdocs.commands.build import build\nfrom mkdocs.config import load_config\n\nlog = logging.getLogger(__name__)\n\n\ndef _init_asyncio_patch():\n    \"\"\"\n    Select compatible event loop for Tornado 5+.\n\n    As of Python 3.8, the default event loop on Windows is `proactor`,\n    however Tornado requires the old default \"selector\" event loop.\n    As Tornado has decided to leave this to users to set, MkDocs needs\n    to set it. See https://github.com/tornadoweb/tornado/issues/2608.\n    \"\"\"\n    if sys.platform.startswith(\"win\") and sys.version_info >= (3, 8):\n        import asyncio\n        try:\n            from asyncio import WindowsSelectorEventLoopPolicy\n        except ImportError:\n            pass  # Can't assign a policy which doesn't exist.\n        else:\n            if not isinstance(asyncio.get_event_loop_policy(), WindowsSelectorEventLoopPolicy):\n                asyncio.set_event_loop_policy(WindowsSelectorEventLoopPolicy())\n\n\ndef _get_handler(site_dir, StaticFileHandler):\n\n    from tornado.template import Loader\n\n    class WebHandler(StaticFileHandler):\n\n        def write_error(self, status_code, **kwargs):\n\n            if status_code in (404, 500):\n                error_page = '{}.html'.format(status_code)\n                if isfile(join(site_dir, error_page)):\n                    self.write(Loader(site_dir).load(error_page).generate())\n                else:\n                    super().write_error(status_code, **kwargs)\n\n    return WebHandler\n\n\ndef _livereload(host, port, config, builder, site_dir):\n\n    # We are importing here for anyone that has issues with livereload. Even if\n    # this fails, the --no-livereload alternative should still work.\n    _init_asyncio_patch()\n    from livereload import Server\n    import livereload.handlers\n\n    class LiveReloadServer(Server):\n\n        def get_web_handlers(self, script):\n            handlers = super().get_web_handlers(script)\n            # replace livereload handler\n            return [(handlers[0][0], _get_handler(site_dir, livereload.handlers.StaticFileHandler), handlers[0][2],)]\n\n    server = LiveReloadServer()\n\n    # Watch the documentation files, the config file and the theme files.\n    server.watch(config['docs_dir'], builder)\n    server.watch(config['config_file_path'], builder)\n\n    for d in config['theme'].dirs:\n        server.watch(d, builder)\n\n    # Run `serve` plugin events.\n    server = config['plugins'].run_event('serve', server, config=config)\n\n    server.serve(root=site_dir, host=host, port=port, restart_delay=0)\n\n\ndef _static_server(host, port, site_dir):\n\n    # Importing here to separate the code paths from the --livereload\n    # alternative.\n    _init_asyncio_patch()\n    from tornado import ioloop\n    from tornado import web\n\n    application = web.Application([\n        (r\"/(.*)\", _get_handler(site_dir, web.StaticFileHandler), {\n            \"path\": site_dir,\n            \"default_filename\": \"index.html\"\n        }),\n    ])\n    application.listen(port=port, address=host)\n\n    log.info('Running at: http://%s:%s/', host, port)\n    log.info('Hold ctrl+c to quit.')\n    try:\n        ioloop.IOLoop.instance().start()\n    except KeyboardInterrupt:\n        log.info('Stopping server...')\n\n\ndef serve(config_file=None, dev_addr=None, strict=None, theme=None,\n          theme_dir=None, livereload='livereload', **kwargs):\n    \"\"\"\n    Start the MkDocs development server\n\n    By default it will serve the documentation on http://localhost:8000/ and\n    it will rebuild the documentation and refresh the page automatically\n    whenever a file is edited.\n    \"\"\"\n\n    # Create a temporary build directory, and set some options to serve it\n    # PY2 returns a byte string by default. The Unicode prefix ensures a Unicode\n    # string is returned. And it makes MkDocs temp dirs easier to identify.\n    site_dir = tempfile.mkdtemp(prefix='mkdocs_')\n\n    def builder():\n        log.info(\"Building documentation...\")\n        config = load_config(\n            config_file=config_file,\n            dev_addr=dev_addr,\n            strict=strict,\n            theme=theme,\n            theme_dir=theme_dir,\n            site_dir=site_dir,\n            **kwargs\n        )\n        # Override a few config settings after validation\n        config['site_url'] = 'http://{}/'.format(config['dev_addr'])\n\n        live_server = livereload in ['dirty', 'livereload']\n        dirty = livereload == 'dirty'\n        build(config, live_server=live_server, dirty=dirty)\n        return config\n\n    try:\n        # Perform the initial build\n        config = builder()\n\n        host, port = config['dev_addr']\n\n        if livereload in ['livereload', 'dirty']:\n            _livereload(host, port, config, builder, site_dir)\n        else:\n            _static_server(host, port, site_dir)\n    finally:\n        shutil.rmtree(site_dir)\n", "path": "mkdocs/commands/serve.py"}]}