diff --git a/scripts/prompt_matrix.py b/scripts/prompt_matrix.py
index 03212b31a..de921ea84 100644
--- a/scripts/prompt_matrix.py
+++ b/scripts/prompt_matrix.py
@@ -10,7 +10,6 @@ from modules import images
 from modules.processing import process_images, Processed
 from modules.shared import opts, cmd_opts, state
 import modules.sd_samplers
-from pprint import pprint
 
 
 def draw_xy_grid(xs, ys, x_label, y_label, cell):
@@ -34,8 +33,7 @@ def draw_xy_grid(xs, ys, x_label, y_label, cell):
             res.append(processed.images[0])
 
     grid = images.image_grid(res, rows=len(ys))
-    grid = images.draw_grid_annotations(
-        grid, res[0].width, res[0].height, hor_texts, ver_texts)
+    grid = images.draw_grid_annotations(grid, res[0].width, res[0].height, hor_texts, ver_texts)
 
     first_processed.images = [grid]
 
@@ -73,8 +71,7 @@ class Script(scripts.Script):
             raise ValueError(f"Unknown prompt type {prompt_type}")
         # Raise error if variations delimiter is not comma or space
         if variations_delimiter not in ["comma", "space"]:
-            raise ValueError(
-                f"Unknown variations delimiter {variations_delimiter}")
+            raise ValueError(f"Unknown variations delimiter {variations_delimiter}")
 
         prompt = p.prompt if prompt_type == "positive" else p.negative_prompt
         original_prompt = prompt[0] if type(prompt) == list else prompt
@@ -86,8 +83,7 @@ class Script(scripts.Script):
         prompt_matrix_parts = original_prompt.split("|")
         combination_count = 2 ** (len(prompt_matrix_parts) - 1)
         for combination_num in range(combination_count):
-            selected_prompts = [text.strip().strip(',') for n, text in enumerate(
-                prompt_matrix_parts[1:]) if combination_num & (1 << n)]
+            selected_prompts = [text.strip().strip(',') for n, text in enumerate(prompt_matrix_parts[1:]) if combination_num & (1 << n)]
 
             if put_at_start:
                 selected_prompts = selected_prompts + [prompt_matrix_parts[0]]
@@ -99,28 +95,23 @@ class Script(scripts.Script):
         p.n_iter = math.ceil(len(all_prompts) / p.batch_size)
         p.do_not_save_grid = True
 
-        print(
-            f"Prompt matrix will create {len(all_prompts)} images using a total of {p.n_iter} batches.")
+        print(f"Prompt matrix will create {len(all_prompts)} images using a total of {p.n_iter} batches.")
 
         if prompt_type == "positive":
             p.prompt = all_prompts
         else:
             p.negative_prompt = all_prompts
-        p.seed = [p.seed + (i if different_seeds else 0)
-                  for i in range(len(all_prompts))]
+        p.seed = [p.seed + (i if different_seeds else 0) for i in range(len(all_prompts))]
         p.prompt_for_display = positive_prompt
         processed = process_images(p)
 
-        grid = images.image_grid(processed.images, p.batch_size, rows=1 << (
-            (len(prompt_matrix_parts) - 1) // 2))
-        grid = images.draw_prompt_matrix(
-            grid, p.width, p.height, prompt_matrix_parts)
+        grid = images.image_grid(processed.images, p.batch_size, rows=1 << ((len(prompt_matrix_parts) - 1) // 2))
+        grid = images.draw_prompt_matrix(grid, p.width, p.height, prompt_matrix_parts)
         processed.images.insert(0, grid)
         processed.index_of_first_image = 1
         processed.infotexts.insert(0, processed.infotexts[0])
 
         if opts.grid_save:
-            images.save_image(processed.images[0], p.outpath_grids, "prompt_matrix",
-                              extension=opts.grid_format, prompt=original_prompt, seed=processed.seed, grid=True, p=p)
+            images.save_image(processed.images[0], p.outpath_grids, "prompt_matrix", extension=opts.grid_format, prompt=original_prompt, seed=processed.seed, grid=True, p=p)
 
         return processed