prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Remove call_without_output from Shell.py L7
  This line was used by the requirement classes, it isnt used anymore as they use sarge, so it should be removed.
  difficulty/newcomer
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `coalib/misc/Shell.py`
  Content:
  ```
  1 from contextlib import contextmanager
  2 import functools
  3 import shlex
  4 from subprocess import PIPE, Popen, call, DEVNULL
  5 
  6 
  7 call_without_output = functools.partial(call, stdout=DEVNULL, stderr=DEVNULL)
  8 """
  9 Uses subprocess.call to execute a command, but suppresses the output and
  10 the errors.
  11 """
  12 
  13 
  14 @contextmanager
  15 def run_interactive_shell_command(command, **kwargs):
  16     """
  17     Runs a single command in shell and provides stdout, stderr and stdin
  18     streams.
  19 
  20     This function creates a context manager that sets up the process (using
  21     ``subprocess.Popen()``), returns to caller and waits for process to exit on
  22     leaving.
  23 
  24     By default the process is opened in ``universal_newlines`` mode and creates
  25     pipes for all streams (stdout, stderr and stdin) using ``subprocess.PIPE``
  26     special value. These pipes are closed automatically, so if you want to get
  27     the contents of the streams you should retrieve them before the context
  28     manager exits.
  29 
  30     >>> with run_interactive_shell_command(["echo", "TEXT"]) as p:
  31     ...     stdout = p.stdout
  32     ...     stdout_text = stdout.read()
  33     >>> stdout_text
  34     'TEXT\\n'
  35     >>> stdout.closed
  36     True
  37 
  38     Custom streams provided are not closed except of ``subprocess.PIPE``.
  39 
  40     >>> from tempfile import TemporaryFile
  41     >>> stream = TemporaryFile()
  42     >>> with run_interactive_shell_command(["echo", "TEXT"],
  43     ...                                    stdout=stream) as p:
  44     ...     stderr = p.stderr
  45     >>> stderr.closed
  46     True
  47     >>> stream.closed
  48     False
  49 
  50     :param command: The command to run on shell. This parameter can either
  51                     be a sequence of arguments that are directly passed to
  52                     the process or a string. A string gets splitted beforehand
  53                     using ``shlex.split()``. If providing ``shell=True`` as a
  54                     keyword-argument, no ``shlex.split()`` is performed and the
  55                     command string goes directly to ``subprocess.Popen()``.
  56     :param kwargs:  Additional keyword arguments to pass to
  57                     ``subprocess.Popen`` that are used to spawn the process.
  58     :return:        A context manager yielding the process started from the
  59                     command.
  60     """
  61     if not kwargs.get('shell', False) and isinstance(command, str):
  62         command = shlex.split(command)
  63 
  64     args = {'stdout': PIPE,
  65             'stderr': PIPE,
  66             'stdin': PIPE,
  67             'universal_newlines': True}
  68     args.update(kwargs)
  69 
  70     process = Popen(command, **args)
  71     try:
  72         yield process
  73     finally:
  74         if args['stdout'] is PIPE:
  75             process.stdout.close()
  76         if args['stderr'] is PIPE:
  77             process.stderr.close()
  78         if args['stdin'] is PIPE:
  79             process.stdin.close()
  80 
  81         process.wait()
  82 
  83 
  84 def run_shell_command(command, stdin=None, **kwargs):
  85     """
  86     Runs a single command in shell and returns the read stdout and stderr data.
  87 
  88     This function waits for the process (created using ``subprocess.Popen()``)
  89     to exit. Effectively it wraps ``run_interactive_shell_command()`` and uses
  90     ``communicate()`` on the process.
  91 
  92     See also ``run_interactive_shell_command()``.
  93 
  94     :param command: The command to run on shell. This parameter can either
  95                     be a sequence of arguments that are directly passed to
  96                     the process or a string. A string gets splitted beforehand
  97                     using ``shlex.split()``.
  98     :param stdin:   Initial input to send to the process.
  99     :param kwargs:  Additional keyword arguments to pass to
  100                     ``subprocess.Popen`` that is used to spawn the process.
  101     :return:        A tuple with ``(stdoutstring, stderrstring)``.
  102     """
  103     with run_interactive_shell_command(command, **kwargs) as p:
  104         ret = p.communicate(stdin)
  105     return ret
  106 
  107 
  108 def get_shell_type():  # pragma: no cover
  109     """
  110     Finds the current shell type based on the outputs of common pre-defined
  111     variables in them. This is useful to identify which sort of escaping
  112     is required for strings.
  113 
  114     :return: The shell type. This can be either "powershell" if Windows
  115              Powershell is detected, "cmd" if command prompt is been
  116              detected or "sh" if it's neither of these.
  117     """
  118     out = run_shell_command('echo $host.name', shell=True)[0]
  119     if out.strip() == 'ConsoleHost':
  120         return 'powershell'
  121     out = run_shell_command('echo $0', shell=True)[0]
  122     if out.strip() == '$0':
  123         return 'cmd'
  124     return 'sh'
  125
  ```
  --- 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/coalib/misc/Shell.py b/coalib/misc/Shell.py
  --- a/coalib/misc/Shell.py
  +++ b/coalib/misc/Shell.py
  @@ -1,14 +1,6 @@
   from contextlib import contextmanager
  -import functools
   import shlex
  -from subprocess import PIPE, Popen, call, DEVNULL
  -
  -
  -call_without_output = functools.partial(call, stdout=DEVNULL, stderr=DEVNULL)
  -"""
  -Uses subprocess.call to execute a command, but suppresses the output and
  -the errors.
  -"""
  +from subprocess import PIPE, Popen
   
   
   @contextmanager
  
verification_info: {"golden_diff": "diff --git a/coalib/misc/Shell.py b/coalib/misc/Shell.py\n--- a/coalib/misc/Shell.py\n+++ b/coalib/misc/Shell.py\n@@ -1,14 +1,6 @@\n from contextlib import contextmanager\n-import functools\n import shlex\n-from subprocess import PIPE, Popen, call, DEVNULL\n-\n-\n-call_without_output = functools.partial(call, stdout=DEVNULL, stderr=DEVNULL)\n-\"\"\"\n-Uses subprocess.call to execute a command, but suppresses the output and\n-the errors.\n-\"\"\"\n+from subprocess import PIPE, Popen\n \n \n @contextmanager\n", "issue": "Remove call_without_output from Shell.py L7\nThis line was used by the requirement classes, it isnt used anymore as they use sarge, so it should be removed.\r\ndifficulty/newcomer\n", "before_files": [{"content": "from contextlib import contextmanager\nimport functools\nimport shlex\nfrom subprocess import PIPE, Popen, call, DEVNULL\n\n\ncall_without_output = functools.partial(call, stdout=DEVNULL, stderr=DEVNULL)\n\"\"\"\nUses subprocess.call to execute a command, but suppresses the output and\nthe errors.\n\"\"\"\n\n\n@contextmanager\ndef run_interactive_shell_command(command, **kwargs):\n    \"\"\"\n    Runs a single command in shell and provides stdout, stderr and stdin\n    streams.\n\n    This function creates a context manager that sets up the process (using\n    ``subprocess.Popen()``), returns to caller and waits for process to exit on\n    leaving.\n\n    By default the process is opened in ``universal_newlines`` mode and creates\n    pipes for all streams (stdout, stderr and stdin) using ``subprocess.PIPE``\n    special value. These pipes are closed automatically, so if you want to get\n    the contents of the streams you should retrieve them before the context\n    manager exits.\n\n    >>> with run_interactive_shell_command([\"echo\", \"TEXT\"]) as p:\n    ...     stdout = p.stdout\n    ...     stdout_text = stdout.read()\n    >>> stdout_text\n    'TEXT\\\\n'\n    >>> stdout.closed\n    True\n\n    Custom streams provided are not closed except of ``subprocess.PIPE``.\n\n    >>> from tempfile import TemporaryFile\n    >>> stream = TemporaryFile()\n    >>> with run_interactive_shell_command([\"echo\", \"TEXT\"],\n    ...                                    stdout=stream) as p:\n    ...     stderr = p.stderr\n    >>> stderr.closed\n    True\n    >>> stream.closed\n    False\n\n    :param command: The command to run on shell. This parameter can either\n                    be a sequence of arguments that are directly passed to\n                    the process or a string. A string gets splitted beforehand\n                    using ``shlex.split()``. If providing ``shell=True`` as a\n                    keyword-argument, no ``shlex.split()`` is performed and the\n                    command string goes directly to ``subprocess.Popen()``.\n    :param kwargs:  Additional keyword arguments to pass to\n                    ``subprocess.Popen`` that are used to spawn the process.\n    :return:        A context manager yielding the process started from the\n                    command.\n    \"\"\"\n    if not kwargs.get('shell', False) and isinstance(command, str):\n        command = shlex.split(command)\n\n    args = {'stdout': PIPE,\n            'stderr': PIPE,\n            'stdin': PIPE,\n            'universal_newlines': True}\n    args.update(kwargs)\n\n    process = Popen(command, **args)\n    try:\n        yield process\n    finally:\n        if args['stdout'] is PIPE:\n            process.stdout.close()\n        if args['stderr'] is PIPE:\n            process.stderr.close()\n        if args['stdin'] is PIPE:\n            process.stdin.close()\n\n        process.wait()\n\n\ndef run_shell_command(command, stdin=None, **kwargs):\n    \"\"\"\n    Runs a single command in shell and returns the read stdout and stderr data.\n\n    This function waits for the process (created using ``subprocess.Popen()``)\n    to exit. Effectively it wraps ``run_interactive_shell_command()`` and uses\n    ``communicate()`` on the process.\n\n    See also ``run_interactive_shell_command()``.\n\n    :param command: The command to run on shell. This parameter can either\n                    be a sequence of arguments that are directly passed to\n                    the process or a string. A string gets splitted beforehand\n                    using ``shlex.split()``.\n    :param stdin:   Initial input to send to the process.\n    :param kwargs:  Additional keyword arguments to pass to\n                    ``subprocess.Popen`` that is used to spawn the process.\n    :return:        A tuple with ``(stdoutstring, stderrstring)``.\n    \"\"\"\n    with run_interactive_shell_command(command, **kwargs) as p:\n        ret = p.communicate(stdin)\n    return ret\n\n\ndef get_shell_type():  # pragma: no cover\n    \"\"\"\n    Finds the current shell type based on the outputs of common pre-defined\n    variables in them. This is useful to identify which sort of escaping\n    is required for strings.\n\n    :return: The shell type. This can be either \"powershell\" if Windows\n             Powershell is detected, \"cmd\" if command prompt is been\n             detected or \"sh\" if it's neither of these.\n    \"\"\"\n    out = run_shell_command('echo $host.name', shell=True)[0]\n    if out.strip() == 'ConsoleHost':\n        return 'powershell'\n    out = run_shell_command('echo $0', shell=True)[0]\n    if out.strip() == '$0':\n        return 'cmd'\n    return 'sh'\n", "path": "coalib/misc/Shell.py"}], "after_files": [{"content": "from contextlib import contextmanager\nimport shlex\nfrom subprocess import PIPE, Popen\n\n\n@contextmanager\ndef run_interactive_shell_command(command, **kwargs):\n    \"\"\"\n    Runs a single command in shell and provides stdout, stderr and stdin\n    streams.\n\n    This function creates a context manager that sets up the process (using\n    ``subprocess.Popen()``), returns to caller and waits for process to exit on\n    leaving.\n\n    By default the process is opened in ``universal_newlines`` mode and creates\n    pipes for all streams (stdout, stderr and stdin) using ``subprocess.PIPE``\n    special value. These pipes are closed automatically, so if you want to get\n    the contents of the streams you should retrieve them before the context\n    manager exits.\n\n    >>> with run_interactive_shell_command([\"echo\", \"TEXT\"]) as p:\n    ...     stdout = p.stdout\n    ...     stdout_text = stdout.read()\n    >>> stdout_text\n    'TEXT\\\\n'\n    >>> stdout.closed\n    True\n\n    Custom streams provided are not closed except of ``subprocess.PIPE``.\n\n    >>> from tempfile import TemporaryFile\n    >>> stream = TemporaryFile()\n    >>> with run_interactive_shell_command([\"echo\", \"TEXT\"],\n    ...                                    stdout=stream) as p:\n    ...     stderr = p.stderr\n    >>> stderr.closed\n    True\n    >>> stream.closed\n    False\n\n    :param command: The command to run on shell. This parameter can either\n                    be a sequence of arguments that are directly passed to\n                    the process or a string. A string gets splitted beforehand\n                    using ``shlex.split()``. If providing ``shell=True`` as a\n                    keyword-argument, no ``shlex.split()`` is performed and the\n                    command string goes directly to ``subprocess.Popen()``.\n    :param kwargs:  Additional keyword arguments to pass to\n                    ``subprocess.Popen`` that are used to spawn the process.\n    :return:        A context manager yielding the process started from the\n                    command.\n    \"\"\"\n    if not kwargs.get('shell', False) and isinstance(command, str):\n        command = shlex.split(command)\n\n    args = {'stdout': PIPE,\n            'stderr': PIPE,\n            'stdin': PIPE,\n            'universal_newlines': True}\n    args.update(kwargs)\n\n    process = Popen(command, **args)\n    try:\n        yield process\n    finally:\n        if args['stdout'] is PIPE:\n            process.stdout.close()\n        if args['stderr'] is PIPE:\n            process.stderr.close()\n        if args['stdin'] is PIPE:\n            process.stdin.close()\n\n        process.wait()\n\n\ndef run_shell_command(command, stdin=None, **kwargs):\n    \"\"\"\n    Runs a single command in shell and returns the read stdout and stderr data.\n\n    This function waits for the process (created using ``subprocess.Popen()``)\n    to exit. Effectively it wraps ``run_interactive_shell_command()`` and uses\n    ``communicate()`` on the process.\n\n    See also ``run_interactive_shell_command()``.\n\n    :param command: The command to run on shell. This parameter can either\n                    be a sequence of arguments that are directly passed to\n                    the process or a string. A string gets splitted beforehand\n                    using ``shlex.split()``.\n    :param stdin:   Initial input to send to the process.\n    :param kwargs:  Additional keyword arguments to pass to\n                    ``subprocess.Popen`` that is used to spawn the process.\n    :return:        A tuple with ``(stdoutstring, stderrstring)``.\n    \"\"\"\n    with run_interactive_shell_command(command, **kwargs) as p:\n        ret = p.communicate(stdin)\n    return ret\n\n\ndef get_shell_type():  # pragma: no cover\n    \"\"\"\n    Finds the current shell type based on the outputs of common pre-defined\n    variables in them. This is useful to identify which sort of escaping\n    is required for strings.\n\n    :return: The shell type. This can be either \"powershell\" if Windows\n             Powershell is detected, \"cmd\" if command prompt is been\n             detected or \"sh\" if it's neither of these.\n    \"\"\"\n    out = run_shell_command('echo $host.name', shell=True)[0]\n    if out.strip() == 'ConsoleHost':\n        return 'powershell'\n    out = run_shell_command('echo $0', shell=True)[0]\n    if out.strip() == '$0':\n        return 'cmd'\n    return 'sh'\n", "path": "coalib/misc/Shell.py"}]}