Fix a couple of formatting issues

confluent_server/confluent/plugins/hardwaremanagement/ipmi.py

@@ -51,6 +51,7 @@ sensor_categories = {
     'fans': frozenset(['Fan', 'Cooling Device']),
 }
 
+
 def hex2bin(hexstring):
     hexvals = hexstring.split(':')
     if len(hexvals) < 2:
@@ -60,6 +61,7 @@ def hex2bin(hexstring):
     bytedata = [int(i, 16) for i in hexvals]
     return bytearray(bytedata)
 
+
 def simplify_name(name):
     return name.lower().replace(' ', '_').replace('/', '-')