pep8 fixes

Also ignore the configs/ directory since it only contains
system configuration files named <system>.py.

Change-Id: I0416239c4030ce5bc39473e65e560016cd4ffc75
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/pysystemmgr/obmc/system/__init__.py b/pysystemmgr/obmc/system/__init__.py
index ff6c537..03dc235 100644
--- a/pysystemmgr/obmc/system/__init__.py
+++ b/pysystemmgr/obmc/system/__init__.py
@@ -1,6 +1,7 @@
 from os.path import join
 from glob import glob
 
+
 def find_gpio_base(path="/sys/class/gpio/"):
     pattern = "gpiochip*"
     for gc in glob(join(path, pattern)):
@@ -12,8 +13,10 @@
     # trigger a file not found exception
     open(join(path, "gpiochip"))
 
+
 GPIO_BASE = find_gpio_base()
 
+
 def convertGpio(name):
     offset = int(filter(str.isdigit, name))
     port = filter(str.isalpha, name.upper())