diff --git a/ionizer/identity_hunter.py b/ionizer/identity_hunter.py
index 1684c11..ca4d4d2 100644
--- a/ionizer/identity_hunter.py
+++ b/ionizer/identity_hunter.py
@@ -2,6 +2,7 @@
 Submodule to generate and store a database of circuit identities involving
 up to 3 GPI/GPI2 gates.
 """
+
 from importlib.resources import files
 
 from itertools import product
diff --git a/ionizer/ops.py b/ionizer/ops.py
index 8429afe..24a1eab 100644
--- a/ionizer/ops.py
+++ b/ionizer/ops.py
@@ -39,6 +39,7 @@ class GPI(Operation):
             immediately pushed into the Operator queue (optional)
         id (str or None): String representing the operation (optional)
     """
+
     num_wires = 1
     num_params = 1
     ndim_params = (0,)
@@ -138,6 +139,7 @@ class MS(Operation):
             immediately pushed into the Operator queue (optional)
         id (str or None): String representing the operation (optional)
     """
+
     num_wires = 2
     num_params = 0