diff --git a/src/eynollah/cli.py b/src/eynollah/cli.py
index c306ac5..7f3c230 100644
--- a/src/eynollah/cli.py
+++ b/src/eynollah/cli.py
@@ -71,10 +71,10 @@ def machine_based_reading_order(dir_xml, dir_out_modal_image, dir_out_classes, i
 )
 
 def binarization(patches, model_dir, input_image, output_image, dir_in, dir_out):
-    if not dir_out and (dir_in):
+    if not dir_out and dir_in:
         print("Error: You used -di but did not set -do")
         sys.exit(1)
-    elif dir_out and not (dir_in):
+    elif dir_out and not dir_in:
         print("Error: You used -do to write out binarized images but have not set -di")
         sys.exit(1)
     SbbBinarizer(model_dir).run(image_path=input_image, use_patches=patches, save=output_image, dir_in=dir_in, dir_out=dir_out)
diff --git a/src/eynollah/eynollah.py b/src/eynollah/eynollah.py
index 7acee39..965754a 100644
--- a/src/eynollah/eynollah.py
+++ b/src/eynollah/eynollah.py
@@ -4517,9 +4517,9 @@ class Eynollah:
                     textline_mask_tot_ea_org[img_revised_tab==drop_label_in_full_layout] = 0
 
 
-            text_only = ((img_revised_tab[:, :] == 1)) * 1
+            text_only = (img_revised_tab[:, :] == 1) * 1
             if np.abs(slope_deskew) >= SLOPE_THRESHOLD:
-                text_only_d = ((text_regions_p_1_n[:, :] == 1)) * 1
+                text_only_d = (text_regions_p_1_n[:, :] == 1) * 1
 
             #print("text region early 2 in %.1fs", time.time() - t0)
             ###min_con_area = 0.000005
diff --git a/src/eynollah/plot.py b/src/eynollah/plot.py
index b01fc04..9d7eaf7 100644
--- a/src/eynollah/plot.py
+++ b/src/eynollah/plot.py
@@ -9,7 +9,7 @@ from .utils import crop_image_inside_box
 from .utils.rotate import rotate_image_different
 from .utils.resize import resize_image
 
-class EynollahPlotter():
+class EynollahPlotter:
     """
     Class collecting all the plotting and image writing methods
     """
diff --git a/src/eynollah/utils/__init__.py b/src/eynollah/utils/__init__.py
index a67fc38..ddd4c39 100644
--- a/src/eynollah/utils/__init__.py
+++ b/src/eynollah/utils/__init__.py
@@ -1255,11 +1255,11 @@ def order_of_regions(textline_mask, contours_main, contours_header, y_ref):
         top = peaks_neg_new[i]
         down = peaks_neg_new[i + 1]
         indexes_in = matrix_of_orders[:, 0][(matrix_of_orders[:, 3] >= top) &
-                                            ((matrix_of_orders[:, 3] < down))]
+                                            (matrix_of_orders[:, 3] < down)]
         cxs_in = matrix_of_orders[:, 2][(matrix_of_orders[:, 3] >= top) &
-                                        ((matrix_of_orders[:, 3] < down))]
+                                        (matrix_of_orders[:, 3] < down)]
         cys_in = matrix_of_orders[:, 3][(matrix_of_orders[:, 3] >= top) &
-                                        ((matrix_of_orders[:, 3] < down))]
+                                        (matrix_of_orders[:, 3] < down)]
         types_of_text = matrix_of_orders[:, 1][(matrix_of_orders[:, 3] >= top) &
                                                (matrix_of_orders[:, 3] < down)]
         index_types_of_text = matrix_of_orders[:, 4][(matrix_of_orders[:, 3] >= top) &
@@ -1397,7 +1397,7 @@ def return_points_with_boundies(peaks_neg_fin, first_point, last_point):
 
 def find_number_of_columns_in_document(region_pre_p, num_col_classifier, tables, pixel_lines, contours_h=None):
     t_ins_c0 = time.time()
-    separators_closeup=( (region_pre_p[:,:,:]==pixel_lines))*1
+    separators_closeup= (region_pre_p[:, :, :] == pixel_lines) * 1
     separators_closeup[0:110,:,:]=0
     separators_closeup[separators_closeup.shape[0]-150:,:,:]=0
     
diff --git a/src/eynollah/utils/counter.py b/src/eynollah/utils/counter.py
index 9a3ed70..e6205c8 100644
--- a/src/eynollah/utils/counter.py
+++ b/src/eynollah/utils/counter.py
@@ -3,7 +3,7 @@ from collections import Counter
 REGION_ID_TEMPLATE = 'region_%04d'
 LINE_ID_TEMPLATE = 'region_%04d_line_%04d'
 
-class EynollahIdCounter():
+class EynollahIdCounter:
 
     def __init__(self, region_idx=0, line_idx=0):
         self._counter = Counter()
diff --git a/src/eynollah/utils/marginals.py b/src/eynollah/utils/marginals.py
index a29e50d..bacae94 100644
--- a/src/eynollah/utils/marginals.py
+++ b/src/eynollah/utils/marginals.py
@@ -71,7 +71,7 @@ def get_marginals(text_with_lines, text_regions, num_col, slope_deskew, light_ve
 
         peaks, _ = find_peaks(text_with_lines_y_rev, height=0)
         peaks=np.array(peaks)
-        peaks=peaks[(peaks>first_nonzero) & ((peaks<last_nonzero))]
+        peaks=peaks[(peaks>first_nonzero) & (peaks < last_nonzero)]
         peaks=peaks[region_sum_0[peaks]<min_textline_thickness ]
 
 
diff --git a/src/eynollah/utils/separate_lines.py b/src/eynollah/utils/separate_lines.py
index 7e77afe..af83105 100644
--- a/src/eynollah/utils/separate_lines.py
+++ b/src/eynollah/utils/separate_lines.py
@@ -1478,9 +1478,9 @@ def separate_lines_new2(img_path, thetha, num_col, slope_region, logger=None, pl
         img_int = np.zeros((img_xline.shape[0], img_xline.shape[1]))
         img_int[:, :] = img_xline[:, :]  # img_patch_org[:,:,0]
 
-        img_resized = np.zeros((int(img_int.shape[0] * (1.2)), int(img_int.shape[1] * (3))))
-        img_resized[int(img_int.shape[0] * (0.1)) : int(img_int.shape[0] * (0.1)) + img_int.shape[0],
-                    int(img_int.shape[1] * (1.0)) : int(img_int.shape[1] * (1.0)) + img_int.shape[1]] = img_int[:, :]
+        img_resized = np.zeros((int(img_int.shape[0] * 1.2), int(img_int.shape[1] * 3)))
+        img_resized[int(img_int.shape[0] * 0.1): int(img_int.shape[0] * 0.1) + img_int.shape[0],
+        int(img_int.shape[1] * 1.0): int(img_int.shape[1] * 1.0) + img_int.shape[1]] = img_int[:, :]
         # plt.imshow(img_xline)
         # plt.show()
         img_line_rotated = rotate_image(img_resized, slopes_tile_wise[i])
@@ -1492,8 +1492,8 @@ def separate_lines_new2(img_path, thetha, num_col, slope_region, logger=None, pl
         img_patch_separated_returned[:, :][img_patch_separated_returned[:, :] != 0] = 1
 
         img_patch_separated_returned_true_size = img_patch_separated_returned[
-            int(img_int.shape[0] * (0.1)) : int(img_int.shape[0] * (0.1)) + img_int.shape[0],
-            int(img_int.shape[1] * (1.0)) : int(img_int.shape[1] * (1.0)) + img_int.shape[1]]
+                                                 int(img_int.shape[0] * 0.1): int(img_int.shape[0] * 0.1) + img_int.shape[0],
+                                                 int(img_int.shape[1] * 1.0): int(img_int.shape[1] * 1.0) + img_int.shape[1]]
 
         img_patch_separated_returned_true_size = img_patch_separated_returned_true_size[:, margin : length_x - margin]
         img_patch_ineterst_revised[:, index_x_d + margin : index_x_u - margin] = img_patch_separated_returned_true_size
@@ -1523,7 +1523,7 @@ def return_deskew_slop(img_patch_org, sigma_des,n_tot_angles=100,
     img_int[:,:]=img_patch_org[:,:]#img_patch_org[:,:,0]
 
     max_shape=np.max(img_int.shape)
-    img_resized=np.zeros((int( max_shape*(1.1) ) , int( max_shape*(1.1) ) ))
+    img_resized=np.zeros((int(max_shape * 1.1) , int(max_shape * 1.1)))
 
     onset_x=int((img_resized.shape[1]-img_int.shape[1])/2.)
     onset_y=int((img_resized.shape[0]-img_int.shape[0])/2.)
diff --git a/src/eynollah/writer.py b/src/eynollah/writer.py
index 66747b1..2ce3757 100644
--- a/src/eynollah/writer.py
+++ b/src/eynollah/writer.py
@@ -21,7 +21,7 @@ from ocrd_models.ocrd_page import (
         )
 import numpy as np
 
-class EynollahXmlWriter():
+class EynollahXmlWriter:
 
     def __init__(self, *, dir_out, image_filename, curved_line,textline_light, pcgts=None):
         self.logger = getLogger('eynollah.writer')