Merge branch 'master' of github.com:adafruit/Adafruit_CircuitPython_SGP30

Author: ladyada

README.rst

@@ -26,25 +26,25 @@ This is easily achieved by downloading
 Usage Example
 =============
 
-.. code:: python
-
-import board
-import busio
-import time
-import adafruit_sgp30
-
-i2c = busio.I2C(board.SCL, board.SDA, frequency=100000)
- 
-# Create library object on our I2C port
-sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c)
- 
-print("SGP30 serial #", [hex(i) for i in sgp30._serial])
-
-sgp30.sgp_iaq_init()
-while True:
-    co2eq, tvoc = sgp30.sgp_iaq_measure()
-    print("CO2eq = %d ppm \t TVOC = %d ppb" % (co2eq, tvoc))
-    time.sleep(1)
+.. code-block:: python
+
+    import board
+    import busio
+    import time
+    import adafruit_sgp30
+
+    i2c = busio.I2C(board.SCL, board.SDA, frequency=100000)
+
+    # Create library object on our I2C port
+    sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c)
+
+    print("SGP30 serial #", [hex(i) for i in sgp30._serial])
+
+    sgp30.sgp_iaq_init()
+    while True:
+        co2eq, tvoc = sgp30.sgp_iaq_measure()
+        print("CO2eq = %d ppm \t TVOC = %d ppb" % (co2eq, tvoc))
+        time.sleep(1)
 
 Contributing
 ============