code: def int(name, default=None, allow_none=False, fallback=None):
      
      value = read(name, default, allow_none, fallback=fallback)
      if isinstance(value, builtins.str):
          value = value.strip()
  
      if value is None and allow_none:
          return None
      else:
          return builtins.int(value)
docs: Get a string environment value or the default.
  
      Args:
          name: The environment variable name
          default: The default value to use if no environment variable is found
          allow_none: If the return value can be `None` (i.e. optional)