assert isinstance(stage_metrics, dict)
             if stage_name == "deploy":
                 n_files_changed = stage_metrics.get("n_files_changed", None)
                 n_insertions = stage_metrics.get("n_insertions", None)
                 n_deletions = stage_metrics.get("n_deletions", None)
-                new = {"phase": "*", "n_files_changed": n_files_changed, "n_insertions": n_insertions, "n_deletions": n_deletions}
+                new = {
+                    "phase": "*",
+                    "n_files_changed": n_files_changed,
+                    "n_insertions": n_insertions,
+                    "n_deletions": n_deletions,
+                }
                 ret.append(new)
                 continue
             if stage_name != "patch":
                 continue
             phases = stage_metrics.get("stages", None)

             assert isinstance(phases, dict)
             for phase_name, phase_metrics in phases.items():
                 n_files_changed = phase_metrics.get("n_files_changed", None)
                 n_insertions = phase_metrics.get("n_insertions", None)
                 n_deletions = phase_metrics.get("n_deletions", None)
-                new = {"phase": phase_name, "n_files_changed": n_files_changed, "n_insertions": n_insertions, "n_deletions": n_deletions}
+                new = {
+                    "phase": phase_name,
+                    "n_files_changed": n_files_changed,
+                    "n_insertions": n_insertions,
+                    "n_deletions": n_deletions,
+                }
                 ret.append(new)
         return ret
-
 
     diff_data = process_metrics(settings)
 
     diff_df = pd.DataFrame(diff_data)
 

             base_tag = f"seal5-{self.name}-base"
             if int(stage) > 0:
                 prev_tag = f"seal5-{self.name}-stage{int(stage)-1}"
             else:
                 prev_tag = base_tag
-            n_files_changed, n_insertions, n_deletions = inject_patches.analyze_diff(self.repo, cur=tag_name, base=prev_tag)
+            n_files_changed, n_insertions, n_deletions = inject_patches.analyze_diff(
+                self.repo, cur=tag_name, base=prev_tag
+            )
             stage_metrics = {}
             stage_metrics["n_files_changed"] = n_files_changed
             stage_metrics["n_insertions"] = n_insertions
             stage_metrics["n_deletions"] = n_deletions
             stages_metrics[PatchStage(stage).name] = stage_metrics