prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Facing error while kolibri 0.12.0 deb file installation
  ### Observed behavior
  After running below command it shows error:
  **sudo dpkg -i kolibri_0.12.0b4-0ubuntu1_all.deb**
  
  File downloaded from https://github.com/learningequality/kolibri/releases.
  
  ![1](https://user-images.githubusercontent.com/12776071/52693166-f80be700-2f8b-11e9-9711-e9f9fd5e7a47.png)
  
  ### Context
  Kolibri version : Kolibri 0.12.0
  Operating system : Ubuntu 14.04
  
  ### Screenshots:
  ![3](https://user-images.githubusercontent.com/12776071/52693710-7c129e80-2f8d-11e9-970f-aa28a74c4cf0.png)
  ![2](https://user-images.githubusercontent.com/12776071/52693711-7c129e80-2f8d-11e9-87cc-38b339ab4354.png)
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `kolibri/__init__.py`
  Content:
  ```
  1 """
  2 CAUTION! Keep everything here at at minimum. Do not import stuff.
  3 This module is imported in setup.py, so you cannot for instance
  4 import a dependency.
  5 """
  6 from __future__ import absolute_import
  7 from __future__ import print_function
  8 from __future__ import unicode_literals
  9 
  10 from .utils import env
  11 from .utils.version import get_version
  12 
  13 # Setup the environment before loading anything else from the application
  14 env.set_env()
  15 
  16 #: This may not be the exact version as it's subject to modification with
  17 #: get_version() - use ``kolibri.__version__`` for the exact version string.
  18 VERSION = (0, 12, 0, 'alpha', 0)
  19 
  20 __author__ = 'Learning Equality'
  21 __email__ = 'info@learningequality.org'
  22 __version__ = str(get_version(VERSION))
  23
  ```
  --- 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()
  
  ```
  
golden_diff: diff --git a/kolibri/__init__.py b/kolibri/__init__.py
  --- a/kolibri/__init__.py
  +++ b/kolibri/__init__.py
  @@ -15,7 +15,7 @@
   
   #: This may not be the exact version as it's subject to modification with
   #: get_version() - use ``kolibri.__version__`` for the exact version string.
  -VERSION = (0, 12, 0, 'alpha', 0)
  +VERSION = (0, 12, 0, 'beta', 0)
   
   __author__ = 'Learning Equality'
   __email__ = 'info@learningequality.org'
  
verification_info: {"golden_diff": "diff --git a/kolibri/__init__.py b/kolibri/__init__.py\n--- a/kolibri/__init__.py\n+++ b/kolibri/__init__.py\n@@ -15,7 +15,7 @@\n \n #: This may not be the exact version as it's subject to modification with\n #: get_version() - use ``kolibri.__version__`` for the exact version string.\n-VERSION = (0, 12, 0, 'alpha', 0)\n+VERSION = (0, 12, 0, 'beta', 0)\n \n __author__ = 'Learning Equality'\n __email__ = 'info@learningequality.org'\n", "issue": "Facing error while kolibri 0.12.0 deb file installation\n### Observed behavior\r\nAfter running below command it shows error:\r\n**sudo dpkg -i kolibri_0.12.0b4-0ubuntu1_all.deb**\r\n\r\nFile downloaded from https://github.com/learningequality/kolibri/releases.\r\n\r\n![1](https://user-images.githubusercontent.com/12776071/52693166-f80be700-2f8b-11e9-9711-e9f9fd5e7a47.png)\r\n\r\n### Context\r\nKolibri version : Kolibri 0.12.0\r\nOperating system : Ubuntu 14.04\r\n\r\n### Screenshots:\r\n![3](https://user-images.githubusercontent.com/12776071/52693710-7c129e80-2f8d-11e9-970f-aa28a74c4cf0.png)\r\n![2](https://user-images.githubusercontent.com/12776071/52693711-7c129e80-2f8d-11e9-87cc-38b339ab4354.png)\r\n\n", "before_files": [{"content": "\"\"\"\nCAUTION! Keep everything here at at minimum. Do not import stuff.\nThis module is imported in setup.py, so you cannot for instance\nimport a dependency.\n\"\"\"\nfrom __future__ import absolute_import\nfrom __future__ import print_function\nfrom __future__ import unicode_literals\n\nfrom .utils import env\nfrom .utils.version import get_version\n\n# Setup the environment before loading anything else from the application\nenv.set_env()\n\n#: This may not be the exact version as it's subject to modification with\n#: get_version() - use ``kolibri.__version__`` for the exact version string.\nVERSION = (0, 12, 0, 'alpha', 0)\n\n__author__ = 'Learning Equality'\n__email__ = 'info@learningequality.org'\n__version__ = str(get_version(VERSION))\n", "path": "kolibri/__init__.py"}], "after_files": [{"content": "\"\"\"\nCAUTION! Keep everything here at at minimum. Do not import stuff.\nThis module is imported in setup.py, so you cannot for instance\nimport a dependency.\n\"\"\"\nfrom __future__ import absolute_import\nfrom __future__ import print_function\nfrom __future__ import unicode_literals\n\nfrom .utils import env\nfrom .utils.version import get_version\n\n# Setup the environment before loading anything else from the application\nenv.set_env()\n\n#: This may not be the exact version as it's subject to modification with\n#: get_version() - use ``kolibri.__version__`` for the exact version string.\nVERSION = (0, 12, 0, 'beta', 0)\n\n__author__ = 'Learning Equality'\n__email__ = 'info@learningequality.org'\n__version__ = str(get_version(VERSION))\n", "path": "kolibri/__init__.py"}]}