old_contents: import os
  import re
  from setuptools import setup, find_packages
  
  
  here = os.path.abspath(os.path.dirname(__file__))
  
  
  def read(*parts):
      try:
          return open(os.path.join(here, *parts), 'r').read()
      except IOError:
          return "Could not read."
  
  
  def find_version(*file_paths):
      regex = r"^__version__ = ['\"]([^'\"]*)['\"]"
      version_file = read(*file_paths)
      version_match = re.search(regex, version_file, re.M)
      if version_match:
          return version_match.group(1)
      raise RuntimeError("Unable to find version string.")
  
  
  # Keep README.md ASCII-only
  long_description = read('README.md')
  
  setup(
      name="zazo",
      version=find_version("zazo", "__init__.py"),
      url="http://zazo.readthedocs.io",
      description="A Dependency resolver written in pure Python",
      long_description=long_description,
      classifiers=[
          "License :: OSI Approved :: MIT License",
          "Development Status :: 1 - Planning",
          "Intended Audience :: Developers",
          "Programming Language :: Python :: 2",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.3",
          "Programming Language :: Python :: 3.4",
          "Programming Language :: Python :: 3.5",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: Implementation :: PyPy"
      ],
      author='Pradyun S. Gedam',
      author_email='pradyunsg@gmail.com',
      packages=find_packages(where="src", exclude=["docs", "tests"]),
      python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*',
  )
  
new_contents: import os
  import re
  from setuptools import setup, find_packages
  
  
  here = os.path.abspath(os.path.dirname(__file__))
  
  
  def read(*parts):
      try:
          return open(os.path.join(here, *parts), 'r').read()
      except IOError:
          return "Could not read."
  
  
  def find_version(*file_paths):
      regex = r"^__version__ = ['\"]([^'\"]*)['\"]"
      version_file = read(*file_paths)
      version_match = re.search(regex, version_file, re.M)
      if version_match:
          return version_match.group(1)
      raise RuntimeError("Unable to find version string.")
  
  
  # Keep README.md ASCII-only
  long_description = read('README.md')
  
  setup(
      name="zazo",
      version=find_version("src", "zazo", "__init__.py"),
      url="http://zazo.readthedocs.io",
      description="A Dependency resolver written in pure Python",
      long_description=long_description,
      classifiers=[
          "License :: OSI Approved :: MIT License",
          "Development Status :: 1 - Planning",
          "Intended Audience :: Developers",
          "Programming Language :: Python :: 2",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.3",
          "Programming Language :: Python :: 3.4",
          "Programming Language :: Python :: 3.5",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: Implementation :: PyPy"
      ],
      author='Pradyun S. Gedam',
      author_email='pradyunsg@gmail.com',
      package_dir={"": "src"},
      packages=find_packages(where="src", exclude=["docs", "tests"]),
      python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*',
  )
  
subject: Make setup.py work; post switching to src