changed read_into to readinto

Author: mrmcwethy

adafruit_ds3231.py

@@ -93,7 +93,7 @@ def __init__(self, i2c):
         buf[0] = 0x0e
         with self.i2c_device as i2c:
             i2c.write(buf, end=1, stop=False)
-            i2c.read_into(buf, start=1)
+            i2c.readinto(buf, start=1)
 
         if (buf[1] & 0b00011000) != 0b00011000:
             raise ValueError("Unable to find DS3231 at i2c address 0x68.")