text: import re
  import sys
  
  
  MODULE_REGEX = r'^[_a-zA-Z][_a-zA-Z0-9]+$'
  
  module_name = '{{ cookiecutter.repo_name}}'
  
  if not re.match(MODULE_REGEX, module_name):
      print('ERROR: The project slug (%s) is not a valid Python module name. Please do not use a - and use _ instead' % module_name)
  
      #Exit to cancel project
      sys.exit(1)
  