prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  The lexer hits the maximum recursion depth given a file with too many comment lines
       $ yes ';' | head -n 500 >/tmp/foo.hy
       $ hy /tmp/foo.hy
       Traceback (most recent call last):
         File "/home/hippo/Desktop/hyenv/bin/hy", line 11, in <module>
           load_entry_point('hy', 'console_scripts', 'hy')()
         File "/home/hippo/Desktop/hyenv/hy/hy/cmdline.py", line 344, in hy_main
           sys.exit(cmdline_handler("hy", sys.argv))
         File "/home/hippo/Desktop/hyenv/hy/hy/cmdline.py", line 332, in cmdline_handler
           return run_file(options.args[0])
         File "/home/hippo/Desktop/hyenv/hy/hy/cmdline.py", line 211, in run_file
           pretty_error(import_file_to_module, "__main__", filename)
         File "/home/hippo/Desktop/hyenv/hy/hy/cmdline.py", line 184, in pretty_error
           return func(*args, **kw)
         File "/home/hippo/Desktop/hyenv/hy/hy/importer.py", line 95, in import_file_to_module
           _ast = import_file_to_ast(fpath, module_name)
         File "/home/hippo/Desktop/hyenv/hy/hy/importer.py", line 53, in import_file_to_ast
           return hy_compile(import_file_to_hst(fpath), module_name)
         File "/home/hippo/Desktop/hyenv/hy/hy/importer.py", line 41, in import_file_to_hst
           return import_buffer_to_hst(f.read())
         File "/home/hippo/Desktop/hyenv/hy/hy/importer.py", line 34, in import_buffer_to_hst
           return tokenize(buf + "\n")
         File "/home/hippo/Desktop/hyenv/hy/hy/lex/__init__.py", line 17, in tokenize
           return parser.parse(lexer.lex(buf))
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/parser.py", line 32, in parse
           lookahead = next(tokenizer)
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py", line 56, in __next__
           return self.next()
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py", line 41, in next
           return self.next()
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py", line 41, in next
           return self.next()
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py", line 41, in next
           return self.next()
         [Previous line repeated 976 more times]
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py", line 38, in next
           match = rule.matches(self.s, self.idx)
         File "/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexergenerator.py", line 33, in matches
           return Match(*m.span(0)) if m is not None else None
       RecursionError: maximum recursion depth exceeded
  
  
  --- 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 # Copyright 2017 the authors.
  3 # This file is part of Hy, which is free software licensed under the Expat
  4 # license. See the LICENSE.
  5 
  6 import sys, os
  7 
  8 from setuptools import find_packages, setup
  9 from setuptools.command.install import install
  10 
  11 from get_version import __version__
  12 
  13 os.chdir(os.path.split(os.path.abspath(__file__))[0])
  14 
  15 PKG = "hy"
  16 
  17 long_description = """Hy is a Python <--> Lisp layer. It helps
  18 make things work nicer, and lets Python and the Hy lisp variant play
  19 nice together. """
  20 
  21 class Install(install):
  22     def run(self):
  23         # Import each Hy module to ensure it's compiled.
  24         import os, importlib
  25         for dirpath, _, filenames in sorted(os.walk("hy")):
  26             for filename in sorted(filenames):
  27                 if filename.endswith(".hy"):
  28                     importlib.import_module(
  29                         dirpath.replace("/", ".").replace("\\", ".") +
  30                         "." + filename[:-len(".hy")])
  31         install.run(self)
  32 
  33 install_requires = ['rply>=0.7.0', 'astor>=0.5', 'clint>=0.4']
  34 if os.name == 'nt':
  35     install_requires.append('pyreadline>=2.1')
  36 
  37 ver = sys.version_info[0]
  38 
  39 setup(
  40     name=PKG,
  41     version=__version__,
  42     install_requires=install_requires,
  43     cmdclass=dict(install=Install),
  44     entry_points={
  45         'console_scripts': [
  46             'hy = hy.cmdline:hy_main',
  47             'hy%d = hy.cmdline:hy_main' % ver,
  48             'hyc = hy.cmdline:hyc_main',
  49             'hyc%d = hy.cmdline:hyc_main' % ver,
  50             'hy2py = hy.cmdline:hy2py_main',
  51             'hy2py%d = hy.cmdline:hy2py_main' % ver,
  52         ]
  53     },
  54     packages=find_packages(exclude=['tests*']),
  55     package_data={
  56         'hy.contrib': ['*.hy', '__pycache__/*'],
  57         'hy.core': ['*.hy', '__pycache__/*'],
  58         'hy.extra': ['*.hy', '__pycache__/*'],
  59     },
  60     data_files=[
  61         ('get_version', ['get_version.py'])
  62     ],
  63     author="Paul Tagliamonte",
  64     author_email="tag@pault.ag",
  65     long_description=long_description,
  66     description='Lisp and Python love each other.',
  67     license="Expat",
  68     url="http://hylang.org/",
  69     platforms=['any'],
  70     classifiers=[
  71         "Development Status :: 4 - Beta",
  72         "Intended Audience :: Developers",
  73         "License :: DFSG approved",
  74         "License :: OSI Approved :: MIT License",  # Really "Expat". Ugh.
  75         "Operating System :: OS Independent",
  76         "Programming Language :: Lisp",
  77         "Programming Language :: Python",
  78         "Programming Language :: Python :: 2",
  79         "Programming Language :: Python :: 2.7",
  80         "Programming Language :: Python :: 3",
  81         "Programming Language :: Python :: 3.3",
  82         "Programming Language :: Python :: 3.4",
  83         "Programming Language :: Python :: 3.5",
  84         "Programming Language :: Python :: 3.6",
  85         "Topic :: Software Development :: Code Generators",
  86         "Topic :: Software Development :: Compilers",
  87         "Topic :: Software Development :: Libraries",
  88     ]
  89 )
  90
  ```
  --- 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/setup.py b/setup.py
  --- a/setup.py
  +++ b/setup.py
  @@ -30,7 +30,7 @@
                           "." + filename[:-len(".hy")])
           install.run(self)
   
  -install_requires = ['rply>=0.7.0', 'astor>=0.5', 'clint>=0.4']
  +install_requires = ['rply>=0.7.5', 'astor>=0.5', 'clint>=0.4']
   if os.name == 'nt':
       install_requires.append('pyreadline>=2.1')
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -30,7 +30,7 @@\n                         \".\" + filename[:-len(\".hy\")])\n         install.run(self)\n \n-install_requires = ['rply>=0.7.0', 'astor>=0.5', 'clint>=0.4']\n+install_requires = ['rply>=0.7.5', 'astor>=0.5', 'clint>=0.4']\n if os.name == 'nt':\n     install_requires.append('pyreadline>=2.1')\n", "issue": "The lexer hits the maximum recursion depth given a file with too many comment lines\n     $ yes ';' | head -n 500 >/tmp/foo.hy\r\n     $ hy /tmp/foo.hy\r\n     Traceback (most recent call last):\r\n       File \"/home/hippo/Desktop/hyenv/bin/hy\", line 11, in <module>\r\n         load_entry_point('hy', 'console_scripts', 'hy')()\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/cmdline.py\", line 344, in hy_main\r\n         sys.exit(cmdline_handler(\"hy\", sys.argv))\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/cmdline.py\", line 332, in cmdline_handler\r\n         return run_file(options.args[0])\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/cmdline.py\", line 211, in run_file\r\n         pretty_error(import_file_to_module, \"__main__\", filename)\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/cmdline.py\", line 184, in pretty_error\r\n         return func(*args, **kw)\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/importer.py\", line 95, in import_file_to_module\r\n         _ast = import_file_to_ast(fpath, module_name)\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/importer.py\", line 53, in import_file_to_ast\r\n         return hy_compile(import_file_to_hst(fpath), module_name)\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/importer.py\", line 41, in import_file_to_hst\r\n         return import_buffer_to_hst(f.read())\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/importer.py\", line 34, in import_buffer_to_hst\r\n         return tokenize(buf + \"\\n\")\r\n       File \"/home/hippo/Desktop/hyenv/hy/hy/lex/__init__.py\", line 17, in tokenize\r\n         return parser.parse(lexer.lex(buf))\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/parser.py\", line 32, in parse\r\n         lookahead = next(tokenizer)\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py\", line 56, in __next__\r\n         return self.next()\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py\", line 41, in next\r\n         return self.next()\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py\", line 41, in next\r\n         return self.next()\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py\", line 41, in next\r\n         return self.next()\r\n       [Previous line repeated 976 more times]\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexer.py\", line 38, in next\r\n         match = rule.matches(self.s, self.idx)\r\n       File \"/home/hippo/Desktop/hyenv/lib/python3.6/site-packages/rply/lexergenerator.py\", line 33, in matches\r\n         return Match(*m.span(0)) if m is not None else None\r\n     RecursionError: maximum recursion depth exceeded\r\n\n", "before_files": [{"content": "#!/usr/bin/env python\n# Copyright 2017 the authors.\n# This file is part of Hy, which is free software licensed under the Expat\n# license. See the LICENSE.\n\nimport sys, os\n\nfrom setuptools import find_packages, setup\nfrom setuptools.command.install import install\n\nfrom get_version import __version__\n\nos.chdir(os.path.split(os.path.abspath(__file__))[0])\n\nPKG = \"hy\"\n\nlong_description = \"\"\"Hy is a Python <--> Lisp layer. It helps\nmake things work nicer, and lets Python and the Hy lisp variant play\nnice together. \"\"\"\n\nclass Install(install):\n    def run(self):\n        # Import each Hy module to ensure it's compiled.\n        import os, importlib\n        for dirpath, _, filenames in sorted(os.walk(\"hy\")):\n            for filename in sorted(filenames):\n                if filename.endswith(\".hy\"):\n                    importlib.import_module(\n                        dirpath.replace(\"/\", \".\").replace(\"\\\\\", \".\") +\n                        \".\" + filename[:-len(\".hy\")])\n        install.run(self)\n\ninstall_requires = ['rply>=0.7.0', 'astor>=0.5', 'clint>=0.4']\nif os.name == 'nt':\n    install_requires.append('pyreadline>=2.1')\n\nver = sys.version_info[0]\n\nsetup(\n    name=PKG,\n    version=__version__,\n    install_requires=install_requires,\n    cmdclass=dict(install=Install),\n    entry_points={\n        'console_scripts': [\n            'hy = hy.cmdline:hy_main',\n            'hy%d = hy.cmdline:hy_main' % ver,\n            'hyc = hy.cmdline:hyc_main',\n            'hyc%d = hy.cmdline:hyc_main' % ver,\n            'hy2py = hy.cmdline:hy2py_main',\n            'hy2py%d = hy.cmdline:hy2py_main' % ver,\n        ]\n    },\n    packages=find_packages(exclude=['tests*']),\n    package_data={\n        'hy.contrib': ['*.hy', '__pycache__/*'],\n        'hy.core': ['*.hy', '__pycache__/*'],\n        'hy.extra': ['*.hy', '__pycache__/*'],\n    },\n    data_files=[\n        ('get_version', ['get_version.py'])\n    ],\n    author=\"Paul Tagliamonte\",\n    author_email=\"tag@pault.ag\",\n    long_description=long_description,\n    description='Lisp and Python love each other.',\n    license=\"Expat\",\n    url=\"http://hylang.org/\",\n    platforms=['any'],\n    classifiers=[\n        \"Development Status :: 4 - Beta\",\n        \"Intended Audience :: Developers\",\n        \"License :: DFSG approved\",\n        \"License :: OSI Approved :: MIT License\",  # Really \"Expat\". Ugh.\n        \"Operating System :: OS Independent\",\n        \"Programming Language :: Lisp\",\n        \"Programming Language :: Python\",\n        \"Programming Language :: Python :: 2\",\n        \"Programming Language :: Python :: 2.7\",\n        \"Programming Language :: Python :: 3\",\n        \"Programming Language :: Python :: 3.3\",\n        \"Programming Language :: Python :: 3.4\",\n        \"Programming Language :: Python :: 3.5\",\n        \"Programming Language :: Python :: 3.6\",\n        \"Topic :: Software Development :: Code Generators\",\n        \"Topic :: Software Development :: Compilers\",\n        \"Topic :: Software Development :: Libraries\",\n    ]\n)\n", "path": "setup.py"}], "after_files": [{"content": "#!/usr/bin/env python\n# Copyright 2017 the authors.\n# This file is part of Hy, which is free software licensed under the Expat\n# license. See the LICENSE.\n\nimport sys, os\n\nfrom setuptools import find_packages, setup\nfrom setuptools.command.install import install\n\nfrom get_version import __version__\n\nos.chdir(os.path.split(os.path.abspath(__file__))[0])\n\nPKG = \"hy\"\n\nlong_description = \"\"\"Hy is a Python <--> Lisp layer. It helps\nmake things work nicer, and lets Python and the Hy lisp variant play\nnice together. \"\"\"\n\nclass Install(install):\n    def run(self):\n        # Import each Hy module to ensure it's compiled.\n        import os, importlib\n        for dirpath, _, filenames in sorted(os.walk(\"hy\")):\n            for filename in sorted(filenames):\n                if filename.endswith(\".hy\"):\n                    importlib.import_module(\n                        dirpath.replace(\"/\", \".\").replace(\"\\\\\", \".\") +\n                        \".\" + filename[:-len(\".hy\")])\n        install.run(self)\n\ninstall_requires = ['rply>=0.7.5', 'astor>=0.5', 'clint>=0.4']\nif os.name == 'nt':\n    install_requires.append('pyreadline>=2.1')\n\nver = sys.version_info[0]\n\nsetup(\n    name=PKG,\n    version=__version__,\n    install_requires=install_requires,\n    cmdclass=dict(install=Install),\n    entry_points={\n        'console_scripts': [\n            'hy = hy.cmdline:hy_main',\n            'hy%d = hy.cmdline:hy_main' % ver,\n            'hyc = hy.cmdline:hyc_main',\n            'hyc%d = hy.cmdline:hyc_main' % ver,\n            'hy2py = hy.cmdline:hy2py_main',\n            'hy2py%d = hy.cmdline:hy2py_main' % ver,\n        ]\n    },\n    packages=find_packages(exclude=['tests*']),\n    package_data={\n        'hy.contrib': ['*.hy', '__pycache__/*'],\n        'hy.core': ['*.hy', '__pycache__/*'],\n        'hy.extra': ['*.hy', '__pycache__/*'],\n    },\n    data_files=[\n        ('get_version', ['get_version.py'])\n    ],\n    author=\"Paul Tagliamonte\",\n    author_email=\"tag@pault.ag\",\n    long_description=long_description,\n    description='Lisp and Python love each other.',\n    license=\"Expat\",\n    url=\"http://hylang.org/\",\n    platforms=['any'],\n    classifiers=[\n        \"Development Status :: 4 - Beta\",\n        \"Intended Audience :: Developers\",\n        \"License :: DFSG approved\",\n        \"License :: OSI Approved :: MIT License\",  # Really \"Expat\". Ugh.\n        \"Operating System :: OS Independent\",\n        \"Programming Language :: Lisp\",\n        \"Programming Language :: Python\",\n        \"Programming Language :: Python :: 2\",\n        \"Programming Language :: Python :: 2.7\",\n        \"Programming Language :: Python :: 3\",\n        \"Programming Language :: Python :: 3.3\",\n        \"Programming Language :: Python :: 3.4\",\n        \"Programming Language :: Python :: 3.5\",\n        \"Programming Language :: Python :: 3.6\",\n        \"Topic :: Software Development :: Code Generators\",\n        \"Topic :: Software Development :: Compilers\",\n        \"Topic :: Software Development :: Libraries\",\n    ]\n)\n", "path": "setup.py"}]}