We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
PostgreSQL by default ?
- put `cliquet[postgresql]` in requirements
- put storage_url in config (default postgres:postgres@localhost/postgres)


--- 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 import os
2 from setuptools import setup, find_packages
3 
4 here = os.path.abspath(os.path.dirname(__file__))
5 
6 with open(os.path.join(here, 'README.rst')) as f:
7     README = f.read()
8 
9 REQUIREMENTS = [
10     'colander',
11     'cornice',
12     'six',
13     'waitress',
14     'cliquet'
15 ]
16 
17 ENTRY_POINTS = {
18     'paste.app_factory': [
19         'main = kinto:main',
20     ]}
21 
22 setup(name='kinto',
23       version='0.1.dev0',
24       description='kinto',
25       long_description=README,
26       classifiers=[
27           "Programming Language :: Python",
28           "Topic :: Internet :: WWW/HTTP",
29           "Topic :: Internet :: WWW/HTTP :: WSGI :: Application"
30       ],
31       keywords="web services",
32       author='Mozilla Services',
33       author_email='services-dev@mozilla.com',
34       url='',
35       packages=find_packages(),
36       include_package_data=True,
37       zip_safe=False,
38       install_requires=REQUIREMENTS,
39       entry_points=ENTRY_POINTS)
40
```
--- 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
@@ -11,7 +11,7 @@
     'cornice',
     'six',
     'waitress',
-    'cliquet'
+    'cliquet[postgresql]'
 ]
 
 ENTRY_POINTS = {

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -11,7 +11,7 @@\n     'cornice',\n     'six',\n     'waitress',\n-    'cliquet'\n+    'cliquet[postgresql]'\n ]\n \n ENTRY_POINTS = {\n", "issue": "PostgreSQL by default ?\n- put `cliquet[postgresql]` in requirements\n- put storage_url in config (default postgres:postgres@localhost/postgres)\n\n", "before_files": [{"content": "import os\nfrom setuptools import setup, find_packages\n\nhere = os.path.abspath(os.path.dirname(__file__))\n\nwith open(os.path.join(here, 'README.rst')) as f:\n    README = f.read()\n\nREQUIREMENTS = [\n    'colander',\n    'cornice',\n    'six',\n    'waitress',\n    'cliquet'\n]\n\nENTRY_POINTS = {\n    'paste.app_factory': [\n        'main = kinto:main',\n    ]}\n\nsetup(name='kinto',\n      version='0.1.dev0',\n      description='kinto',\n      long_description=README,\n      classifiers=[\n          \"Programming Language :: Python\",\n          \"Topic :: Internet :: WWW/HTTP\",\n          \"Topic :: Internet :: WWW/HTTP :: WSGI :: Application\"\n      ],\n      keywords=\"web services\",\n      author='Mozilla Services',\n      author_email='services-dev@mozilla.com',\n      url='',\n      packages=find_packages(),\n      include_package_data=True,\n      zip_safe=False,\n      install_requires=REQUIREMENTS,\n      entry_points=ENTRY_POINTS)\n", "path": "setup.py"}], "after_files": [{"content": "import os\nfrom setuptools import setup, find_packages\n\nhere = os.path.abspath(os.path.dirname(__file__))\n\nwith open(os.path.join(here, 'README.rst')) as f:\n    README = f.read()\n\nREQUIREMENTS = [\n    'colander',\n    'cornice',\n    'six',\n    'waitress',\n    'cliquet[postgresql]'\n]\n\nENTRY_POINTS = {\n    'paste.app_factory': [\n        'main = kinto:main',\n    ]}\n\nsetup(name='kinto',\n      version='0.1.dev0',\n      description='kinto',\n      long_description=README,\n      classifiers=[\n          \"Programming Language :: Python\",\n          \"Topic :: Internet :: WWW/HTTP\",\n          \"Topic :: Internet :: WWW/HTTP :: WSGI :: Application\"\n      ],\n      keywords=\"web services\",\n      author='Mozilla Services',\n      author_email='services-dev@mozilla.com',\n      url='',\n      packages=find_packages(),\n      include_package_data=True,\n      zip_safe=False,\n      install_requires=REQUIREMENTS,\n      entry_points=ENTRY_POINTS)\n", "path": "setup.py"}]}