diff --git a/tests/dictionaries/dict b/tests/dictionaries/dict
index 11c2965..147bd20 100644
--- a/tests/dictionaries/dict
+++ b/tests/dictionaries/dict
@@ -41,3 +41,4 @@ ATTRIBUTE VENDOR-TYPE-IFID           15 ifid
 ATTRIBUTE VENDOR-TYPE-ETHER          16 ether
 ATTRIBUTE VENDOR-TYPE-TLV            18 tlv
 END-VENDOR TEST
+
diff --git a/tests/dictionaries/mutual_recursive b/tests/dictionaries/mutual_recursive
index ac1bb6c..d0abeb0 100644
--- a/tests/dictionaries/mutual_recursive
+++ b/tests/dictionaries/mutual_recursive
@@ -1 +1,2 @@
 $INCLUDE ./other_mutual_recursive
+
diff --git a/tests/dictionaries/other_mutual_recursive b/tests/dictionaries/other_mutual_recursive
index a9c01e2..b9fe00e 100644
--- a/tests/dictionaries/other_mutual_recursive
+++ b/tests/dictionaries/other_mutual_recursive
@@ -1 +1,2 @@
 $INCLUDE mutual_recursive
+
diff --git a/tests/dictionaries/self_recursive b/tests/dictionaries/self_recursive
index 949709b..07181c4 100644
--- a/tests/dictionaries/self_recursive
+++ b/tests/dictionaries/self_recursive
@@ -1 +1,2 @@
 $INCLUDE ./self_recursive
+
diff --git a/tests/test_dictionary.py b/tests/test_dictionary.py
index ed5b9d1..9a3d744 100644
--- a/tests/test_dictionary.py
+++ b/tests/test_dictionary.py
@@ -409,3 +409,4 @@ def test_get_nonexisting_attributes_from_dictionaries(attribute):
     dd = Dictionary("", dictionary)
     with pytest.raises(KeyError):
         _ = dd[attribute]
+
diff --git a/tests/test_parse_header.py b/tests/test_parse_header.py
index 2b13f55..319a8cd 100644
--- a/tests/test_parse_header.py
+++ b/tests/test_parse_header.py
@@ -179,3 +179,4 @@ def test_salt_crypt():
 #     dec = utils.salt_decrypt("secret", authenticator, salt, enc)
 #     assert enc == encrypted
 #     assert plaintext = dec
+