prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  UnicodeDecodeError
  Why i get error if type help command?
  Python 3.8.10
  Scons 4.2.0
  ![Безымянный](https://user-images.githubusercontent.com/64489444/131680807-3b5b91f2-32f5-428b-ae24-39e820ce0c88.png)
  
  UnicodeDecodeError
  Why i get error if type help command?
  Python 3.8.10
  Scons 4.2.0
  ![Безымянный](https://user-images.githubusercontent.com/64489444/131680807-3b5b91f2-32f5-428b-ae24-39e820ce0c88.png)
  
  
  </issue>
  <code>
  [start of SCons/Tool/gcc.py]
  1 # MIT License
  2 #
  3 # Copyright The SCons Foundation
  4 #
  5 # Permission is hereby granted, free of charge, to any person obtaining
  6 # a copy of this software and associated documentation files (the
  7 # "Software"), to deal in the Software without restriction, including
  8 # without limitation the rights to use, copy, modify, merge, publish,
  9 # distribute, sublicense, and/or sell copies of the Software, and to
  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 
  24 """SCons.Tool.gcc
  25 
  26 Tool-specific initialization for gcc.
  27 
  28 There normally shouldn't be any need to import this module directly.
  29 It will usually be imported through the generic SCons.Tool.Tool()
  30 selection method.
  31 
  32 """
  33 
  34 from . import cc
  35 import re
  36 import subprocess
  37 
  38 import SCons.Util
  39 
  40 compilers = ['gcc', 'cc']
  41 
  42 
  43 def generate(env):
  44     """Add Builders and construction variables for gcc to an Environment."""
  45 
  46     if 'CC' not in env:
  47         env['CC'] = env.Detect(compilers) or compilers[0]
  48 
  49     cc.generate(env)
  50 
  51     if env['PLATFORM'] in ['cygwin', 'win32']:
  52         env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
  53     else:
  54         env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS -fPIC')
  55     # determine compiler version
  56     version = detect_version(env, env['CC'])
  57     if version:
  58         env['CCVERSION'] = version
  59 
  60 
  61 def exists(env):
  62     # is executable, and is a GNU compiler (or accepts '--version' at least)
  63     return detect_version(env, env.Detect(env.get('CC', compilers)))
  64 
  65 
  66 def detect_version(env, cc):
  67     """Return the version of the GNU compiler, or None if it is not a GNU compiler."""
  68     version = None
  69     cc = env.subst(cc)
  70     if not cc:
  71         return version
  72 
  73     # -dumpversion was added in GCC 3.0.  As long as we're supporting
  74     # GCC versions older than that, we should use --version and a
  75     # regular expression.
  76     # pipe = SCons.Action._subproc(env, SCons.Util.CLVar(cc) + ['-dumpversion'],
  77     pipe=SCons.Action._subproc(env, SCons.Util.CLVar(cc) + ['--version'],
  78                                  stdin='devnull',
  79                                  stderr='devnull',
  80                                  stdout=subprocess.PIPE)
  81     if pipe.wait() != 0:
  82         return version
  83 
  84     with pipe.stdout:
  85         # -dumpversion variant:
  86         # line = pipe.stdout.read().strip()
  87         # --version variant:
  88         line = SCons.Util.to_str(pipe.stdout.readline())
  89         # Non-GNU compiler's output (like AIX xlc's) may exceed the stdout buffer:
  90         # So continue with reading to let the child process actually terminate.
  91         while SCons.Util.to_str(pipe.stdout.readline()):
  92             pass
  93 
  94 
  95     # -dumpversion variant:
  96     # if line:
  97     #     version = line
  98     # --version variant:
  99     match = re.search(r'[0-9]+(\.[0-9]+)+', line)
  100     if match:
  101         version = match.group(0)
  102 
  103     return version
  104 
  105 # Local Variables:
  106 # tab-width:4
  107 # indent-tabs-mode:nil
  108 # End:
  109 # vim: set expandtab tabstop=4 shiftwidth=4:
  110
  [end of SCons/Tool/gcc.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/SCons/Tool/gcc.py b/SCons/Tool/gcc.py
  --- a/SCons/Tool/gcc.py
  +++ b/SCons/Tool/gcc.py
  @@ -88,7 +88,8 @@
           line = SCons.Util.to_str(pipe.stdout.readline())
           # Non-GNU compiler's output (like AIX xlc's) may exceed the stdout buffer:
           # So continue with reading to let the child process actually terminate.
  -        while SCons.Util.to_str(pipe.stdout.readline()):
  +        # We don't need to know the rest of the data, so don't bother decoding.
  +        while pipe.stdout.readline():
               pass
  
verification_info: {"golden_diff": "diff --git a/SCons/Tool/gcc.py b/SCons/Tool/gcc.py\n--- a/SCons/Tool/gcc.py\n+++ b/SCons/Tool/gcc.py\n@@ -88,7 +88,8 @@\n         line = SCons.Util.to_str(pipe.stdout.readline())\n         # Non-GNU compiler's output (like AIX xlc's) may exceed the stdout buffer:\n         # So continue with reading to let the child process actually terminate.\n-        while SCons.Util.to_str(pipe.stdout.readline()):\n+        # We don't need to know the rest of the data, so don't bother decoding.\n+        while pipe.stdout.readline():\n             pass\n", "issue": "UnicodeDecodeError\nWhy i get error if type help command?\r\nPython 3.8.10\r\nScons 4.2.0\r\n![\u0411\u0435\u0437\u044b\u043c\u044f\u043d\u043d\u044b\u0439](https://user-images.githubusercontent.com/64489444/131680807-3b5b91f2-32f5-428b-ae24-39e820ce0c88.png)\r\n\nUnicodeDecodeError\nWhy i get error if type help command?\r\nPython 3.8.10\r\nScons 4.2.0\r\n![\u0411\u0435\u0437\u044b\u043c\u044f\u043d\u043d\u044b\u0439](https://user-images.githubusercontent.com/64489444/131680807-3b5b91f2-32f5-428b-ae24-39e820ce0c88.png)\r\n\n", "before_files": [{"content": "# MIT License\n#\n# Copyright The SCons Foundation\n#\n# Permission is hereby granted, free of charge, to any person obtaining\n# a copy of this software and associated documentation files (the\n# \"Software\"), to deal in the Software without restriction, including\n# without limitation the rights to use, copy, modify, merge, publish,\n# distribute, sublicense, and/or sell copies of the Software, and to\n# permit persons to whom the Software is furnished to do so, subject to\n# the following conditions:\n#\n# The above copyright notice and this permission notice shall be included\n# in all copies or substantial portions of the Software.\n#\n# THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY\n# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE\n# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\n# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\n# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\n# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n\"\"\"SCons.Tool.gcc\n\nTool-specific initialization for gcc.\n\nThere normally shouldn't be any need to import this module directly.\nIt will usually be imported through the generic SCons.Tool.Tool()\nselection method.\n\n\"\"\"\n\nfrom . import cc\nimport re\nimport subprocess\n\nimport SCons.Util\n\ncompilers = ['gcc', 'cc']\n\n\ndef generate(env):\n    \"\"\"Add Builders and construction variables for gcc to an Environment.\"\"\"\n\n    if 'CC' not in env:\n        env['CC'] = env.Detect(compilers) or compilers[0]\n\n    cc.generate(env)\n\n    if env['PLATFORM'] in ['cygwin', 'win32']:\n        env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')\n    else:\n        env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS -fPIC')\n    # determine compiler version\n    version = detect_version(env, env['CC'])\n    if version:\n        env['CCVERSION'] = version\n\n\ndef exists(env):\n    # is executable, and is a GNU compiler (or accepts '--version' at least)\n    return detect_version(env, env.Detect(env.get('CC', compilers)))\n\n\ndef detect_version(env, cc):\n    \"\"\"Return the version of the GNU compiler, or None if it is not a GNU compiler.\"\"\"\n    version = None\n    cc = env.subst(cc)\n    if not cc:\n        return version\n\n    # -dumpversion was added in GCC 3.0.  As long as we're supporting\n    # GCC versions older than that, we should use --version and a\n    # regular expression.\n    # pipe = SCons.Action._subproc(env, SCons.Util.CLVar(cc) + ['-dumpversion'],\n    pipe=SCons.Action._subproc(env, SCons.Util.CLVar(cc) + ['--version'],\n                                 stdin='devnull',\n                                 stderr='devnull',\n                                 stdout=subprocess.PIPE)\n    if pipe.wait() != 0:\n        return version\n\n    with pipe.stdout:\n        # -dumpversion variant:\n        # line = pipe.stdout.read().strip()\n        # --version variant:\n        line = SCons.Util.to_str(pipe.stdout.readline())\n        # Non-GNU compiler's output (like AIX xlc's) may exceed the stdout buffer:\n        # So continue with reading to let the child process actually terminate.\n        while SCons.Util.to_str(pipe.stdout.readline()):\n            pass\n\n\n    # -dumpversion variant:\n    # if line:\n    #     version = line\n    # --version variant:\n    match = re.search(r'[0-9]+(\\.[0-9]+)+', line)\n    if match:\n        version = match.group(0)\n\n    return version\n\n# Local Variables:\n# tab-width:4\n# indent-tabs-mode:nil\n# End:\n# vim: set expandtab tabstop=4 shiftwidth=4:\n", "path": "SCons/Tool/gcc.py"}]}