old_contents: #!/usr/bin/env python
  
  import os
  from setuptools import setup
  
  # Utility function to read the README file.
  # Used for the long_description.  It's nice, because now 1) we have a top level
  # README file and 2) it's easier to type in the README file than to put a raw
  # string in below ...
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  setup(
      name = "singlecell",
      version = "0.0.1",
      packages=["singlecell"]
  )
  
new_contents: #!/usr/bin/env python
  
  import os
  from setuptools import setup
  
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  setup(
      name = "singlecell",
      version = "0.0.1",
      packages=["singlecell"],
      install_requires=["HTSeq"]
  )
  
subject: Add HTSeq dependency.