QA: Apply isort suggestions.

examples/gas.py

@@ -1,8 +1,9 @@
 #!/usr/bin/env python3
 
+import logging
 import time
+
 from mics6814 import MICS6814
-import logging
 
 gas = MICS6814()
 

examples/led.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import sys
+
 from mics6814 import MICS6814
 
 print("""led.py - Set the RGB LED

mics6814/__init__.py

@@ -1,6 +1,5 @@
 import ioexpander as io
 
-
 __version__ = '0.0.2'
 
 MICS6814_I2C_ADDR = 0x19

tests/conftest.py

@@ -1,6 +1,7 @@
 import sys
-import pytest
+
 import mock
+import pytest
 
 
 @pytest.fixture(scope='function', autouse=True)