diff --git a/test_runner/random_ops/test_random_ops.py b/test_runner/random_ops/test_random_ops.py
index 8f0403e8cd..b1347f3474 100644
--- a/test_runner/random_ops/test_random_ops.py
+++ b/test_runner/random_ops/test_random_ops.py
@@ -146,7 +146,7 @@ class NeonBranch:
         Prints the branch's id with all the predecessors
         (r) means the branch is a reset one
         """
-        return f"{self.id}{f'({self.name})' if self.name and self.name != self.id else ''}, {f"restored_from: {self.restored_from}" if self.restored_from else ''} parent: {self.parent}"
+        return f"{self.id}{f'({self.name})' if self.name and self.name != self.id else ''}, {f'restored_from: {self.restored_from}' if self.restored_from else ''} parent: {self.parent}"
 
     def random_time(self) -> datetime:
         min_time = max(
@@ -354,7 +354,11 @@ class NeonProject:
         if branch_id not in self.reset_branches:
             self.terminate_benchmark(branch_id)
         self.neon_api.delete_branch(self.id, branch_id)
-        if len(parent.children) == 1 and parent.id != self.main_branch.id and parent.parent is not None:
+        if (
+            len(parent.children) == 1
+            and parent.id != self.main_branch.id
+            and parent.parent is not None
+        ):
             self.leaf_branches[parent.id] = parent
         parent.children.pop(branch_id)
         if branch_id in self.leaf_branches: