def hash_conda_packages(conda_packages, conda_target=None):
 h = hashlib.new('sha256')
 for conda_package in conda_packages:
  h.update(conda_package.install_environment)
 return h.hexdigest()

def hash_conda_packages ( conda_packages , conda_target = None ) : h = hashlib . new ( 'sha256' ) for conda_package in conda_packages : h . update ( conda_package . install_environment ) return h . hexdigest ( )
produce a unique hash on supplied packages .