diff --git a/common/domain.py b/common/domain.py
index 3a00e6e..5867eb1 100644
--- a/common/domain.py
+++ b/common/domain.py
@@ -9,7 +9,6 @@ class Domain(object):
 
     :param str string: input string
     """
-
     def __init__(self, string):
         self.string = str(string)
         self.regexp = r'\b((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}\b'
diff --git a/common/query.py b/common/query.py
index b0ad133..be1a3a1 100644
--- a/common/query.py
+++ b/common/query.py
@@ -5,6 +5,5 @@ class Query(Module):
     """
     Query base class
     """
-
     def __init__(self):
         Module.__init__(self)