We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Unable to add Table of Contents to docs
When I build a markdown file containing the following information with, `mkdocs build --clean`, mkdocs throws:  `AttributeError: 'Markdown' object has no attribute 'toc'`. Adding `[TOC]` like this was working before, but for some reason its throwing an exception now. I'm running version `0.11.1`.

Markdown file:

``` markdown
For api overview and usages, check out [this page](overview.md).

[TOC]

Auth
=================================================

## Check if user is registered

`POST` `/auth/is_registered`

**paramaters**

- `email`

## Login

`POST` `/auth`

**Parameters**

- `email`
- `password`

**Response**

The response will be something like this:
```

Stack Trace:

``` bash
Traceback (most recent call last):
"/usr/local/Cellar/python/2.7.8_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/observers/api.py", line 199, in run
    self.dispatch_events(self.event_queue, self.timeout)
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/observers/api.py", line 368, in dispatch_events
    handler.dispatch(event)
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/events.py", line 322, in dispatch
    self.on_any_event(event)
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/serve.py", line 28, in on_any_event
    build(config, live_server=True)
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py", line 223, in build
    build_pages(config)
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py", line 170, in build_pages
    extensions=config['markdown_extensions'], strict=config['strict']
  File "/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py", line 36, in convert_markdown
    toc_html = md.toc
AttributeError: 'Markdown' object has no attribute 'toc'
```


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `setup.py`
Content:
```
1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3 
4 from __future__ import print_function
5 from setuptools import setup
6 import re
7 import os
8 import sys
9 
10 
11 name = 'mkdocs'
12 package = 'mkdocs'
13 description = 'Project documentation with Markdown.'
14 url = 'http://www.mkdocs.org'
15 author = 'Tom Christie'
16 author_email = 'tom@tomchristie.com'
17 license = 'BSD'
18 install_requires = [
19     'Jinja2>=2.7.1',
20     'Markdown>=2.3.1,<2.5',
21     'PyYAML>=3.10',
22     'watchdog>=0.7.0',
23     'ghp-import>=0.4.1'
24 ]
25 
26 long_description = (
27     "MkDocs is a fast, simple and downright gorgeous static site generator "
28     "that's geared towards building project documentation. Documentation "
29     "source files are written in Markdown, and configured with a single YAML "
30     "configuration file."
31 )
32 
33 
34 def get_version(package):
35     """
36     Return package version as listed in `__version__` in `init.py`.
37     """
38     init_py = open(os.path.join(package, '__init__.py')).read()
39     return re.search("^__version__ = ['\"]([^'\"]+)['\"]", init_py, re.MULTILINE).group(1)
40 
41 
42 def get_packages(package):
43     """
44     Return root package and all sub-packages.
45     """
46     return [dirpath
47             for dirpath, dirnames, filenames in os.walk(package)
48             if os.path.exists(os.path.join(dirpath, '__init__.py'))]
49 
50 
51 def get_package_data(package):
52     """
53     Return all files under the root package, that are not in a
54     package themselves.
55     """
56     walk = [(dirpath.replace(package + os.sep, '', 1), filenames)
57             for dirpath, dirnames, filenames in os.walk(package)
58             if not os.path.exists(os.path.join(dirpath, '__init__.py'))]
59 
60     filepaths = []
61     for base, filenames in walk:
62         filepaths.extend([os.path.join(base, filename)
63                           for filename in filenames])
64     return {package: filepaths}
65 
66 
67 if sys.argv[-1] == 'publish':
68     os.system("python setup.py sdist upload")
69     args = {'version': get_version(package)}
70     print("You probably want to also tag the version now:")
71     print("  git tag -a %(version)s -m 'version %(version)s'" % args)
72     print("  git push --tags")
73     sys.exit()
74 
75 
76 setup(
77     name=name,
78     version=get_version(package),
79     url=url,
80     license=license,
81     description=description,
82     long_description=long_description,
83     author=author,
84     author_email=author_email,
85     packages=get_packages(package),
86     package_data=get_package_data(package),
87     install_requires=install_requires,
88     entry_points={
89         'console_scripts': [
90             'mkdocs = mkdocs.main:run_main',
91             ],
92         },
93     classifiers=[
94         'Development Status :: 5 - Production/Stable',
95         'Environment :: Console',
96         'Environment :: Web Environment',
97         'Intended Audience :: Developers',
98         'License :: OSI Approved :: BSD License',
99         'Operating System :: OS Independent',
100         'Programming Language :: Python',
101         'Programming Language :: Python :: 2',
102         'Programming Language :: Python :: 2.6',
103         'Programming Language :: Python :: 2.7',
104         'Programming Language :: Python :: 3',
105         'Programming Language :: Python :: 3.3',
106         'Programming Language :: Python :: 3.4',
107         'Topic :: Documentation',
108         'Topic :: Text Processing',
109     ]
110 )
111
```
--- 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/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -7,6 +7,8 @@
 import os
 import sys
 
+PY26 = sys.version_info[:2] == (2, 6)
+
 
 name = 'mkdocs'
 package = 'mkdocs'
@@ -16,11 +18,11 @@
 author_email = 'tom@tomchristie.com'
 license = 'BSD'
 install_requires = [
+    'ghp-import>=0.4.1',
     'Jinja2>=2.7.1',
-    'Markdown>=2.3.1,<2.5',
+    'Markdown>=2.3.1,<2.5' if PY26 else 'Markdown>=2.3.1',
     'PyYAML>=3.10',
     'watchdog>=0.7.0',
-    'ghp-import>=0.4.1'
 ]
 
 long_description = (

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -7,6 +7,8 @@\n import os\n import sys\n \n+PY26 = sys.version_info[:2] == (2, 6)\n+\n \n name = 'mkdocs'\n package = 'mkdocs'\n@@ -16,11 +18,11 @@\n author_email = 'tom@tomchristie.com'\n license = 'BSD'\n install_requires = [\n+    'ghp-import>=0.4.1',\n     'Jinja2>=2.7.1',\n-    'Markdown>=2.3.1,<2.5',\n+    'Markdown>=2.3.1,<2.5' if PY26 else 'Markdown>=2.3.1',\n     'PyYAML>=3.10',\n     'watchdog>=0.7.0',\n-    'ghp-import>=0.4.1'\n ]\n \n long_description = (\n", "issue": "Unable to add Table of Contents to docs\nWhen I build a markdown file containing the following information with, `mkdocs build --clean`, mkdocs throws:  `AttributeError: 'Markdown' object has no attribute 'toc'`. Adding `[TOC]` like this was working before, but for some reason its throwing an exception now. I'm running version `0.11.1`.\n\nMarkdown file:\n\n``` markdown\nFor api overview and usages, check out [this page](overview.md).\n\n[TOC]\n\nAuth\n=================================================\n\n## Check if user is registered\n\n`POST` `/auth/is_registered`\n\n**paramaters**\n\n- `email`\n\n## Login\n\n`POST` `/auth`\n\n**Parameters**\n\n- `email`\n- `password`\n\n**Response**\n\nThe response will be something like this:\n```\n\nStack Trace:\n\n``` bash\nTraceback (most recent call last):\n\"/usr/local/Cellar/python/2.7.8_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py\", line 810, in __bootstrap_inner\n    self.run()\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/observers/api.py\", line 199, in run\n    self.dispatch_events(self.event_queue, self.timeout)\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/observers/api.py\", line 368, in dispatch_events\n    handler.dispatch(event)\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/watchdog/events.py\", line 322, in dispatch\n    self.on_any_event(event)\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/serve.py\", line 28, in on_any_event\n    build(config, live_server=True)\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py\", line 223, in build\n    build_pages(config)\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py\", line 170, in build_pages\n    extensions=config['markdown_extensions'], strict=config['strict']\n  File \"/Users/administrator/dev/meet-web/venv/lib/python2.7/site-packages/mkdocs/build.py\", line 36, in convert_markdown\n    toc_html = md.toc\nAttributeError: 'Markdown' object has no attribute 'toc'\n```\n\n", "before_files": [{"content": "#!/usr/bin/env python\n# -*- coding: utf-8 -*-\n\nfrom __future__ import print_function\nfrom setuptools import setup\nimport re\nimport os\nimport sys\n\n\nname = 'mkdocs'\npackage = 'mkdocs'\ndescription = 'Project documentation with Markdown.'\nurl = 'http://www.mkdocs.org'\nauthor = 'Tom Christie'\nauthor_email = 'tom@tomchristie.com'\nlicense = 'BSD'\ninstall_requires = [\n    'Jinja2>=2.7.1',\n    'Markdown>=2.3.1,<2.5',\n    'PyYAML>=3.10',\n    'watchdog>=0.7.0',\n    'ghp-import>=0.4.1'\n]\n\nlong_description = (\n    \"MkDocs is a fast, simple and downright gorgeous static site generator \"\n    \"that's geared towards building project documentation. Documentation \"\n    \"source files are written in Markdown, and configured with a single YAML \"\n    \"configuration file.\"\n)\n\n\ndef get_version(package):\n    \"\"\"\n    Return package version as listed in `__version__` in `init.py`.\n    \"\"\"\n    init_py = open(os.path.join(package, '__init__.py')).read()\n    return re.search(\"^__version__ = ['\\\"]([^'\\\"]+)['\\\"]\", init_py, re.MULTILINE).group(1)\n\n\ndef get_packages(package):\n    \"\"\"\n    Return root package and all sub-packages.\n    \"\"\"\n    return [dirpath\n            for dirpath, dirnames, filenames in os.walk(package)\n            if os.path.exists(os.path.join(dirpath, '__init__.py'))]\n\n\ndef get_package_data(package):\n    \"\"\"\n    Return all files under the root package, that are not in a\n    package themselves.\n    \"\"\"\n    walk = [(dirpath.replace(package + os.sep, '', 1), filenames)\n            for dirpath, dirnames, filenames in os.walk(package)\n            if not os.path.exists(os.path.join(dirpath, '__init__.py'))]\n\n    filepaths = []\n    for base, filenames in walk:\n        filepaths.extend([os.path.join(base, filename)\n                          for filename in filenames])\n    return {package: filepaths}\n\n\nif sys.argv[-1] == 'publish':\n    os.system(\"python setup.py sdist upload\")\n    args = {'version': get_version(package)}\n    print(\"You probably want to also tag the version now:\")\n    print(\"  git tag -a %(version)s -m 'version %(version)s'\" % args)\n    print(\"  git push --tags\")\n    sys.exit()\n\n\nsetup(\n    name=name,\n    version=get_version(package),\n    url=url,\n    license=license,\n    description=description,\n    long_description=long_description,\n    author=author,\n    author_email=author_email,\n    packages=get_packages(package),\n    package_data=get_package_data(package),\n    install_requires=install_requires,\n    entry_points={\n        'console_scripts': [\n            'mkdocs = mkdocs.main:run_main',\n            ],\n        },\n    classifiers=[\n        'Development Status :: 5 - Production/Stable',\n        'Environment :: Console',\n        'Environment :: Web Environment',\n        'Intended Audience :: Developers',\n        'License :: OSI Approved :: BSD License',\n        'Operating System :: OS Independent',\n        'Programming Language :: Python',\n        'Programming Language :: Python :: 2',\n        'Programming Language :: Python :: 2.6',\n        'Programming Language :: Python :: 2.7',\n        'Programming Language :: Python :: 3',\n        'Programming Language :: Python :: 3.3',\n        'Programming Language :: Python :: 3.4',\n        'Topic :: Documentation',\n        'Topic :: Text Processing',\n    ]\n)\n", "path": "setup.py"}], "after_files": [{"content": "#!/usr/bin/env python\n# -*- coding: utf-8 -*-\n\nfrom __future__ import print_function\nfrom setuptools import setup\nimport re\nimport os\nimport sys\n\nPY26 = sys.version_info[:2] == (2, 6)\n\n\nname = 'mkdocs'\npackage = 'mkdocs'\ndescription = 'Project documentation with Markdown.'\nurl = 'http://www.mkdocs.org'\nauthor = 'Tom Christie'\nauthor_email = 'tom@tomchristie.com'\nlicense = 'BSD'\ninstall_requires = [\n    'ghp-import>=0.4.1',\n    'Jinja2>=2.7.1',\n    'Markdown>=2.3.1,<2.5' if PY26 else 'Markdown>=2.3.1',\n    'PyYAML>=3.10',\n    'watchdog>=0.7.0',\n]\n\nlong_description = (\n    \"MkDocs is a fast, simple and downright gorgeous static site generator \"\n    \"that's geared towards building project documentation. Documentation \"\n    \"source files are written in Markdown, and configured with a single YAML \"\n    \"configuration file.\"\n)\n\n\ndef get_version(package):\n    \"\"\"\n    Return package version as listed in `__version__` in `init.py`.\n    \"\"\"\n    init_py = open(os.path.join(package, '__init__.py')).read()\n    return re.search(\"^__version__ = ['\\\"]([^'\\\"]+)['\\\"]\", init_py, re.MULTILINE).group(1)\n\n\ndef get_packages(package):\n    \"\"\"\n    Return root package and all sub-packages.\n    \"\"\"\n    return [dirpath\n            for dirpath, dirnames, filenames in os.walk(package)\n            if os.path.exists(os.path.join(dirpath, '__init__.py'))]\n\n\ndef get_package_data(package):\n    \"\"\"\n    Return all files under the root package, that are not in a\n    package themselves.\n    \"\"\"\n    walk = [(dirpath.replace(package + os.sep, '', 1), filenames)\n            for dirpath, dirnames, filenames in os.walk(package)\n            if not os.path.exists(os.path.join(dirpath, '__init__.py'))]\n\n    filepaths = []\n    for base, filenames in walk:\n        filepaths.extend([os.path.join(base, filename)\n                          for filename in filenames])\n    return {package: filepaths}\n\n\nif sys.argv[-1] == 'publish':\n    os.system(\"python setup.py sdist upload\")\n    args = {'version': get_version(package)}\n    print(\"You probably want to also tag the version now:\")\n    print(\"  git tag -a %(version)s -m 'version %(version)s'\" % args)\n    print(\"  git push --tags\")\n    sys.exit()\n\n\nsetup(\n    name=name,\n    version=get_version(package),\n    url=url,\n    license=license,\n    description=description,\n    long_description=long_description,\n    author=author,\n    author_email=author_email,\n    packages=get_packages(package),\n    package_data=get_package_data(package),\n    install_requires=install_requires,\n    entry_points={\n        'console_scripts': [\n            'mkdocs = mkdocs.main:run_main',\n            ],\n        },\n    classifiers=[\n        'Development Status :: 5 - Production/Stable',\n        'Environment :: Console',\n        'Environment :: Web Environment',\n        'Intended Audience :: Developers',\n        'License :: OSI Approved :: BSD License',\n        'Operating System :: OS Independent',\n        'Programming Language :: Python',\n        'Programming Language :: Python :: 2',\n        'Programming Language :: Python :: 2.6',\n        'Programming Language :: Python :: 2.7',\n        'Programming Language :: Python :: 3',\n        'Programming Language :: Python :: 3.3',\n        'Programming Language :: Python :: 3.4',\n        'Topic :: Documentation',\n        'Topic :: Text Processing',\n    ]\n)\n", "path": "setup.py"}]}