We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
fixed rundcpp with single bus network
csr_matrix dimesions has to be specified explicitly.

Issue #288 

--- 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 # -*- coding: utf-8 -*-
2 
3 # Copyright (c) 2016-2018 by University of Kassel and Fraunhofer Institute for Energy Economics
4 # and Energy System Technology (IEE), Kassel. All rights reserved.
5 
6 
7 
8 from setuptools import setup, find_packages
9 
10 with open('README.rst', 'rb') as f:
11     install = f.read().decode('utf-8')
12 with open('CHANGELOG.rst', 'rb') as f:
13     changelog = f.read().decode('utf-8')
14 
15 long_description = '\n\n'.join((install, changelog))
16 
17 setup(
18     name='pandapower',
19     version='1.6.1',
20     author='Leon Thurner, Alexander Scheidler',
21     author_email='leon.thurner@uni-kassel.de, alexander.scheidler@iee.fraunhofer.de',
22     description='Convenient Power System Modelling and Analysis based on PYPOWER and pandas',
23     long_description=long_description,
24     url='www.pandapower.org',
25     license='BSD',
26     install_requires=["pypower>=5.0.1",
27                       "pandas>=0.17.0",
28                       "networkx",
29                       "numpy",
30                       "scipy"],
31     extras_require = {":python_version<'3.0'": ["future"]},
32     packages=find_packages(),
33     include_package_data=True,
34     classifiers=[
35         'Development Status :: 5 - Production/Stable',
36         'Environment :: Console',
37         'Intended Audience :: Developers',
38         'Intended Audience :: Education',
39         'Intended Audience :: Science/Research',
40         'License :: OSI Approved :: BSD License',
41         'Natural Language :: English',
42         'Operating System :: OS Independent',
43         'Programming Language :: Python',
44         'Programming Language :: Python :: 2',
45         'Programming Language :: Python :: 2.7',
46         'Programming Language :: Python :: 3',
47         'Programming Language :: Python :: 3.4',
48         'Programming Language :: Python :: 3.5',
49         'Programming Language :: Python :: 3.6',
50         'Topic :: Scientific/Engineering',
51     ],
52 )
53
```
--- 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
@@ -21,7 +21,7 @@
     author_email='leon.thurner@uni-kassel.de, alexander.scheidler@iee.fraunhofer.de',
     description='Convenient Power System Modelling and Analysis based on PYPOWER and pandas',
     long_description=long_description,
-    url='www.pandapower.org',
+    url='http://www.pandapower.org',
     license='BSD',
     install_requires=["pypower>=5.0.1",
                       "pandas>=0.17.0",

{"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -21,7 +21,7 @@\n     author_email='leon.thurner@uni-kassel.de, alexander.scheidler@iee.fraunhofer.de',\n     description='Convenient Power System Modelling and Analysis based on PYPOWER and pandas',\n     long_description=long_description,\n-    url='www.pandapower.org',\n+    url='http://www.pandapower.org',\n     license='BSD',\n     install_requires=[\"pypower>=5.0.1\",\n                       \"pandas>=0.17.0\",\n", "issue": "fixed rundcpp with single bus network\ncsr_matrix dimesions has to be specified explicitly.\r\n\r\nIssue #288 \n", "before_files": [{"content": "# -*- coding: utf-8 -*-\n\n# Copyright (c) 2016-2018 by University of Kassel and Fraunhofer Institute for Energy Economics\n# and Energy System Technology (IEE), Kassel. All rights reserved.\n\n\n\nfrom setuptools import setup, find_packages\n\nwith open('README.rst', 'rb') as f:\n    install = f.read().decode('utf-8')\nwith open('CHANGELOG.rst', 'rb') as f:\n    changelog = f.read().decode('utf-8')\n\nlong_description = '\\n\\n'.join((install, changelog))\n\nsetup(\n    name='pandapower',\n    version='1.6.1',\n    author='Leon Thurner, Alexander Scheidler',\n    author_email='leon.thurner@uni-kassel.de, alexander.scheidler@iee.fraunhofer.de',\n    description='Convenient Power System Modelling and Analysis based on PYPOWER and pandas',\n    long_description=long_description,\n    url='www.pandapower.org',\n    license='BSD',\n    install_requires=[\"pypower>=5.0.1\",\n                      \"pandas>=0.17.0\",\n                      \"networkx\",\n                      \"numpy\",\n                      \"scipy\"],\n    extras_require = {\":python_version<'3.0'\": [\"future\"]},\n    packages=find_packages(),\n    include_package_data=True,\n    classifiers=[\n        'Development Status :: 5 - Production/Stable',\n        'Environment :: Console',\n        'Intended Audience :: Developers',\n        'Intended Audience :: Education',\n        'Intended Audience :: Science/Research',\n        'License :: OSI Approved :: BSD License',\n        'Natural Language :: English',\n        'Operating System :: OS Independent',\n        'Programming Language :: Python',\n        'Programming Language :: Python :: 2',\n        'Programming Language :: Python :: 2.7',\n        'Programming Language :: Python :: 3',\n        'Programming Language :: Python :: 3.4',\n        'Programming Language :: Python :: 3.5',\n        'Programming Language :: Python :: 3.6',\n        'Topic :: Scientific/Engineering',\n    ],\n)\n", "path": "setup.py"}], "after_files": [{"content": "# -*- coding: utf-8 -*-\n\n# Copyright (c) 2016-2018 by University of Kassel and Fraunhofer Institute for Energy Economics\n# and Energy System Technology (IEE), Kassel. All rights reserved.\n\n\n\nfrom setuptools import setup, find_packages\n\nwith open('README.rst', 'rb') as f:\n    install = f.read().decode('utf-8')\nwith open('CHANGELOG.rst', 'rb') as f:\n    changelog = f.read().decode('utf-8')\n\nlong_description = '\\n\\n'.join((install, changelog))\n\nsetup(\n    name='pandapower',\n    version='1.6.1',\n    author='Leon Thurner, Alexander Scheidler',\n    author_email='leon.thurner@uni-kassel.de, alexander.scheidler@iee.fraunhofer.de',\n    description='Convenient Power System Modelling and Analysis based on PYPOWER and pandas',\n    long_description=long_description,\n    url='http://www.pandapower.org',\n    license='BSD',\n    install_requires=[\"pypower>=5.0.1\",\n                      \"pandas>=0.17.0\",\n                      \"networkx\",\n                      \"numpy\",\n                      \"scipy\"],\n    extras_require = {\":python_version<'3.0'\": [\"future\"]},\n    packages=find_packages(),\n    include_package_data=True,\n    classifiers=[\n        'Development Status :: 5 - Production/Stable',\n        'Environment :: Console',\n        'Intended Audience :: Developers',\n        'Intended Audience :: Education',\n        'Intended Audience :: Science/Research',\n        'License :: OSI Approved :: BSD License',\n        'Natural Language :: English',\n        'Operating System :: OS Independent',\n        'Programming Language :: Python',\n        'Programming Language :: Python :: 2',\n        'Programming Language :: Python :: 2.7',\n        'Programming Language :: Python :: 3',\n        'Programming Language :: Python :: 3.4',\n        'Programming Language :: Python :: 3.5',\n        'Programming Language :: Python :: 3.6',\n        'Topic :: Scientific/Engineering',\n    ],\n)\n", "path": "setup.py"}]}