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/pyinventorymgr/sync_inventory_items.py b/pyinventorymgr/sync_inventory_items.py
index b00ef5c..a96c015 100644
--- a/pyinventorymgr/sync_inventory_items.py
+++ b/pyinventorymgr/sync_inventory_items.py
@@ -71,6 +71,7 @@
             mproxy = obj.get_dbus_method('Get', PROP_INTF_NAME)
             return mproxy(INV_INTF_NAME, prop)
 
+
 # Get Network Interface object.
 def get_network_interface_object(bus):
     mapper = obmc.mapper.Mapper(bus)
@@ -125,7 +126,7 @@
     sys_mac = ''
     try:
         sys_mac = subprocess.check_output(["fw_printenv", "-n", "ethaddr"])
-    except:
+    except Exception:
         # Handle when mac does not exist in u-boot
         return sys_mac
     return sys_mac
@@ -159,6 +160,7 @@
     else:
         print "Error setting uuid"
 
+
 if __name__ == '__main__':
     arg = argparse.ArgumentParser()
     arg.add_argument('-p')