diff --git a/mythril/analysis/modules/deprecated_ops.py b/mythril/analysis/modules/deprecated_ops.py
index b219ce3b..41a0bdbe 100644
--- a/mythril/analysis/modules/deprecated_ops.py
+++ b/mythril/analysis/modules/deprecated_ops.py
@@ -61,7 +61,6 @@ class DeprecatedOperationsModule(DetectionModule):
         )
         self._issues = []
 
-
     def execute(self, state: GlobalState):
         self._issues.extend(_analyze_state(state))
         return self.issues
diff --git a/mythril/support/signatures.py b/mythril/support/signatures.py
index 3c5fc863..2c977a08 100644
--- a/mythril/support/signatures.py
+++ b/mythril/support/signatures.py
@@ -43,6 +43,7 @@ class Singleton(type):
             cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
         return cls._instances[cls]
 
+
 try:
     # load if available but do not fail
     import ethereum_input_decoder