diff --git a/src/conductor/execution/executor.py b/src/conductor/execution/executor.py
index d8c62d7..c2ea496 100644
--- a/src/conductor/execution/executor.py
+++ b/src/conductor/execution/executor.py
@@ -327,7 +327,9 @@ def _report_execution_results(self, plan: ExecutionPlan, elapsed_time: float):
         # Print the final execution result (succeeded or failed).
         if all_succeeded and (main_task_executed or main_task_cached):
             print()
-            print_bold("✨ Done! {}".format(self._get_elapsed_time_string(elapsed_time)))
+            print_bold(
+                "✨ Done! {}".format(self._get_elapsed_time_string(elapsed_time))
+            )
 
         else:
             # At least one task must have failed.
@@ -341,7 +343,9 @@ def _report_execution_results(self, plan: ExecutionPlan, elapsed_time: float):
             assert len(failed_tasks) > 0
             print()
             print_red(
-                "🔴 Task failed. {}".format(self._get_elapsed_time_string(elapsed_time)),
+                "🔴 Task failed. {}".format(
+                    self._get_elapsed_time_string(elapsed_time)
+                ),
                 bold=True,
             )
             print()
diff --git a/src/conductor/execution/version_index.py b/src/conductor/execution/version_index.py
index 2428f29..7601f87 100644
--- a/src/conductor/execution/version_index.py
+++ b/src/conductor/execution/version_index.py
@@ -82,9 +82,9 @@ def create_or_load(cls, path: pathlib.Path) -> "VersionIndex":
             result = conn.execute(q.get_max_timestamp).fetchone()
             return VersionIndex(
                 conn=conn,
-                last_timestamp=result[0]
-                if result is not None and result[0] is not None
-                else 0,
+                last_timestamp=(
+                    result[0] if result is not None and result[0] is not None else 0
+                ),
             )
 
         # Need to create the DB