old_contents: import smbus
  from datetime import datetime
  
  __all__ = ['HIH6130']
  
  
  class HIH6130:
  	''' HIH6130() returns an instance of the RHT sensor with default address of 0x27. '''
  	def __init__(self, address = 0x27):
  		self.address = address
  		self.status = None
  		self.rh = None
  		self.t = None
  		self._buffer = None
  		self.timestamp = None
  		
  		try:
  			self.i2c = smbus.SMBus(1)
  		except:
  			raise IOError("Could not find i2c device.")
  
  		return self
  
  	def read(self):
  		''' updates rh, t, and timestamp for the HIH6130 instance '''
  		try:
  			self._buffer = self.i2c.read_i2c_block_data(self.address, 0, 4)
  		except:
  			raise IOError("Could not read from i2c device located at %s." % self.address )
  		
  		self.timestamp = datetime.now()
  		self.status = self._buffer[0] >> 6 & 0x03
  		self.rh = round(((self._buffer[0] & 0x3f) << 8 | self._buffer[1]) * 100.0 / (2**14 - 1), 2)
  		self.t = round((float((self._buffer[2] << 6) + (self._buffer[3] >> 2)) / (2**14 - 1)) * 165.0 - 40, 2)
  
  		return
new_contents: import smbus
  from datetime import datetime
  
  __all__ = ['HIH6130']
  
  
  class HIH6130:
  	''' HIH6130() returns an instance of the RHT sensor with default address of 0x27. '''
  	def __init__(self, address = 0x27):
  		self.address = address
  		self.status = None
  		self.rh = None
  		self.t = None
  		self._buffer = None
  		self.timestamp = None
  		
  		try:
  			self.i2c = smbus.SMBus(1)
  		except:
  			raise IOError("Could not find i2c device.")
  
  		return
  
  	def read(self):
  		''' updates rh, t, and timestamp for the HIH6130 instance '''
  		try:
  			self._buffer = self.i2c.read_i2c_block_data(self.address, 0, 4)
  		except:
  			raise IOError("Could not read from i2c device located at %s." % self.address )
  		
  		self.timestamp = datetime.now()
  		self.status = self._buffer[0] >> 6 & 0x03
  		self.rh = round(((self._buffer[0] & 0x3f) << 8 | self._buffer[1]) * 100.0 / (2**14 - 1), 2)
  		self.t = round((float((self._buffer[2] << 6) + (self._buffer[3] >> 2)) / (2**14 - 1)) * 165.0 - 40, 2)
  
  		return
subject: return none in init