diff --git a/mythril/laser/ethereum/instructions.py b/mythril/laser/ethereum/instructions.py
index 4b2eeca1..dd3a6a39 100644
--- a/mythril/laser/ethereum/instructions.py
+++ b/mythril/laser/ethereum/instructions.py
@@ -983,8 +983,12 @@ class Instruction:
             for keccak_key in keccak_keys:
                 key_argument = keccak_function_manager.get_argument(keccak_key)
                 index_argument = keccak_function_manager.get_argument(index)
-                condition = (key_argument == index_argument)
-                condition = condition if type(condition) == bool else is_true(simplify(condition))
+                condition = key_argument == index_argument
+                condition = (
+                    condition
+                    if type(condition) == bool
+                    else is_true(simplify(condition))
+                )
                 if condition:
                     return self._sstore_helper(
                         copy(global_state),