PEP8 fixes

Author: Thomas

netbox/exceptions.py

@@ -36,6 +36,7 @@ def __init__(self, resp_data):
     def __str__(self):
         return '{}'.format(self.err)
 
+
 class UpdateException(BaseException):
     """Raised when an object update fails"""
     def __init__(self, resp_data):
@@ -47,6 +48,7 @@ def __init__(self, resp_data):
     def __str__(self):
         return '{}'.format(self.err)
 
+
 class AuthException(BaseException):
     """Raised when an API call method is not allowed"""
     pass