We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
[DO NOT MERGE] Test


--- 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 
3 #
4 # Copyright (C) 2019 Databricks, Inc.
5 #
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at
9 #
10 #     http://www.apache.org/licenses/LICENSE-2.0
11 #
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
17 #
18 
19 import sys
20 from setuptools import setup
21 from os import path
22 
23 DESCRIPTION = "Koalas: pandas API on Apache Spark"
24 
25 this_directory = path.abspath(path.dirname(__file__))
26 with open(path.join(this_directory, 'README.md'), encoding='utf-8') as f:
27     LONG_DESCRIPTION = f.read()
28 
29 try:
30     exec(open('databricks/koalas/version.py').read())
31 except IOError:
32     print("Failed to load Koalas version file for packaging. You must be in Koalas root dir.",
33           file=sys.stderr)
34     sys.exit(-1)
35 VERSION = __version__  # noqa
36 
37 setup(
38     name='koalas',
39     version=VERSION,
40     packages=['databricks', 'databricks.koalas', 'databricks.koalas.missing',
41               'databricks.koalas.usage_logging'],
42     extras_require={
43         'spark': ['pyspark>=2.4.0'],
44         'mlflow': ['mlflow>=1.0'],
45     },
46     python_requires='>=3.5',
47     install_requires=[
48         'pandas>=0.23',
49         'pyarrow>=0.10',
50         'numpy>=1.14',
51         'matplotlib>=3.0.0',
52     ],
53     maintainer="Databricks",
54     maintainer_email="koalas@databricks.com",
55     license='http://www.apache.org/licenses/LICENSE-2.0',
56     url="https://github.com/databricks/koalas",
57     project_urls={
58         'Bug Tracker': 'https://github.com/databricks/koalas/issues',
59         'Documentation': 'https://koalas.readthedocs.io/',
60         'Source Code': 'https://github.com/databricks/koalas'
61     },
62     description=DESCRIPTION,
63     long_description=LONG_DESCRIPTION,
64     long_description_content_type='text/markdown',
65     classifiers=[
66         'Programming Language :: Python :: 3.5',
67         'Programming Language :: Python :: 3.6',
68         'Programming Language :: Python :: 3.7',
69     ],
70 )
71
```
--- 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
@@ -45,7 +45,7 @@
     },
     python_requires='>=3.5',
     install_requires=[
-        'pandas>=0.23',
+        'pandas>=0.23.2',
         'pyarrow>=0.10',
         'numpy>=1.14',
         'matplotlib>=3.0.0',

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -45,7 +45,7 @@\n     },\n     python_requires='>=3.5',\n     install_requires=[\n-        'pandas>=0.23',\n+        'pandas>=0.23.2',\n         'pyarrow>=0.10',\n         'numpy>=1.14',\n         'matplotlib>=3.0.0',\n", "issue": "[DO NOT MERGE] Test\n\n", "before_files": [{"content": "#!/usr/bin/env python\n\n#\n# Copyright (C) 2019 Databricks, Inc.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n#\n\nimport sys\nfrom setuptools import setup\nfrom os import path\n\nDESCRIPTION = \"Koalas: pandas API on Apache Spark\"\n\nthis_directory = path.abspath(path.dirname(__file__))\nwith open(path.join(this_directory, 'README.md'), encoding='utf-8') as f:\n    LONG_DESCRIPTION = f.read()\n\ntry:\n    exec(open('databricks/koalas/version.py').read())\nexcept IOError:\n    print(\"Failed to load Koalas version file for packaging. You must be in Koalas root dir.\",\n          file=sys.stderr)\n    sys.exit(-1)\nVERSION = __version__  # noqa\n\nsetup(\n    name='koalas',\n    version=VERSION,\n    packages=['databricks', 'databricks.koalas', 'databricks.koalas.missing',\n              'databricks.koalas.usage_logging'],\n    extras_require={\n        'spark': ['pyspark>=2.4.0'],\n        'mlflow': ['mlflow>=1.0'],\n    },\n    python_requires='>=3.5',\n    install_requires=[\n        'pandas>=0.23',\n        'pyarrow>=0.10',\n        'numpy>=1.14',\n        'matplotlib>=3.0.0',\n    ],\n    maintainer=\"Databricks\",\n    maintainer_email=\"koalas@databricks.com\",\n    license='http://www.apache.org/licenses/LICENSE-2.0',\n    url=\"https://github.com/databricks/koalas\",\n    project_urls={\n        'Bug Tracker': 'https://github.com/databricks/koalas/issues',\n        'Documentation': 'https://koalas.readthedocs.io/',\n        'Source Code': 'https://github.com/databricks/koalas'\n    },\n    description=DESCRIPTION,\n    long_description=LONG_DESCRIPTION,\n    long_description_content_type='text/markdown',\n    classifiers=[\n        'Programming Language :: Python :: 3.5',\n        'Programming Language :: Python :: 3.6',\n        'Programming Language :: Python :: 3.7',\n    ],\n)\n", "path": "setup.py"}], "after_files": [{"content": "#!/usr/bin/env python\n\n#\n# Copyright (C) 2019 Databricks, Inc.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n#\n\nimport sys\nfrom setuptools import setup\nfrom os import path\n\nDESCRIPTION = \"Koalas: pandas API on Apache Spark\"\n\nthis_directory = path.abspath(path.dirname(__file__))\nwith open(path.join(this_directory, 'README.md'), encoding='utf-8') as f:\n    LONG_DESCRIPTION = f.read()\n\ntry:\n    exec(open('databricks/koalas/version.py').read())\nexcept IOError:\n    print(\"Failed to load Koalas version file for packaging. You must be in Koalas root dir.\",\n          file=sys.stderr)\n    sys.exit(-1)\nVERSION = __version__  # noqa\n\nsetup(\n    name='koalas',\n    version=VERSION,\n    packages=['databricks', 'databricks.koalas', 'databricks.koalas.missing',\n              'databricks.koalas.usage_logging'],\n    extras_require={\n        'spark': ['pyspark>=2.4.0'],\n        'mlflow': ['mlflow>=1.0'],\n    },\n    python_requires='>=3.5',\n    install_requires=[\n        'pandas>=0.23.2',\n        'pyarrow>=0.10',\n        'numpy>=1.14',\n        'matplotlib>=3.0.0',\n    ],\n    maintainer=\"Databricks\",\n    maintainer_email=\"koalas@databricks.com\",\n    license='http://www.apache.org/licenses/LICENSE-2.0',\n    url=\"https://github.com/databricks/koalas\",\n    project_urls={\n        'Bug Tracker': 'https://github.com/databricks/koalas/issues',\n        'Documentation': 'https://koalas.readthedocs.io/',\n        'Source Code': 'https://github.com/databricks/koalas'\n    },\n    description=DESCRIPTION,\n    long_description=LONG_DESCRIPTION,\n    long_description_content_type='text/markdown',\n    classifiers=[\n        'Programming Language :: Python :: 3.5',\n        'Programming Language :: Python :: 3.6',\n        'Programming Language :: Python :: 3.7',\n    ],\n)\n", "path": "setup.py"}]}