4 files changed, 20 insertions, 9 deletions
diff --git a/tests/isisd/test_fuzz_isis_tlv.py b/tests/isisd/test_fuzz_isis_tlv.py
index d96e3c4fe..8fd20aabd 100644
--- a/tests/isisd/test_fuzz_isis_tlv.py
+++ b/tests/isisd/test_fuzz_isis_tlv.py
@@ -9,18 +9,24 @@ import socket
 # on musl, ntop compresses a single :0: -> :: which is against RFC
 ##
 def inet_ntop_broken():
-    addr = '1:2:3:4:0:6:7:8'
-    return socket.inet_ntop(socket.AF_INET6,
-                            socket.inet_pton(socket.AF_INET6, addr)) != addr
+    addr = "1:2:3:4:0:6:7:8"
+    return (
+        socket.inet_ntop(socket.AF_INET6, socket.inet_pton(socket.AF_INET6, addr))
+        != addr
+    )
 
 
-if platform.uname()[0] == 'SunOS' or inet_ntop_broken():
+if platform.uname()[0] == "SunOS" or inet_ntop_broken():
+
     class TestFuzzIsisTLV:
-        @pytest.mark.skipif(True, reason='Test unsupported')
+        @pytest.mark.skipif(True, reason="Test unsupported")
         def test_exit_cleanly(self):
             pass
+
+
 else:
+
     class TestFuzzIsisTLV(frrtest.TestMultiOut):
-        program = './test_fuzz_isis_tlv'
+        program = "./test_fuzz_isis_tlv"
 
     TestFuzzIsisTLV.exit_cleanly()
diff --git a/tests/isisd/test_isis_lspdb.py b/tests/isisd/test_isis_lspdb.py
index cd0b5345c..280ed1c32 100644
--- a/tests/isisd/test_isis_lspdb.py
+++ b/tests/isisd/test_isis_lspdb.py
@@ -1,6 +1,8 @@
 import frrtest
 
+
 class TestIsisLSPDB(frrtest.TestMultiOut):
-    program = './test_isis_lspdb'
+    program = "./test_isis_lspdb"
+
 
 TestIsisLSPDB.exit_cleanly()
diff --git a/tests/isisd/test_isis_spf.py b/tests/isisd/test_isis_spf.py
index 21e7ef626..f44fa70d6 100644
--- a/tests/isisd/test_isis_spf.py
+++ b/tests/isisd/test_isis_spf.py
@@ -1,4 +1,5 @@
 import frrtest
 
+
 class TestIsisSPF(frrtest.TestRefOut):
-    program = './test_isis_spf'
+    program = "./test_isis_spf"
diff --git a/tests/isisd/test_isis_vertex_queue.py b/tests/isisd/test_isis_vertex_queue.py
index 5974edecc..b9d2fc5fa 100644
--- a/tests/isisd/test_isis_vertex_queue.py
+++ b/tests/isisd/test_isis_vertex_queue.py
@@ -1,6 +1,8 @@
 import frrtest
 
+
 class TestIsisVertexQueue(frrtest.TestMultiOut):
-    program = './test_isis_vertex_queue'
+    program = "./test_isis_vertex_queue"
+
 
 TestIsisVertexQueue.exit_cleanly()