diff --git a/src/eynollah/sbb_binarize.py b/src/eynollah/sbb_binarize.py
index 0eab2ae..b81f45e 100644
--- a/src/eynollah/sbb_binarize.py
+++ b/src/eynollah/sbb_binarize.py
@@ -328,7 +328,7 @@ class SbbBinarizer:
             print(input_path, 'image_name')
             if os.path.exists(output_path):
                 if overwrite:
-                    self.logger.warning("will overwrite existing output file '%s'", output_ptah)
+                    self.logger.warning("will overwrite existing output file '%s'", output_path)
                 else:
                     self.logger.warning("will skip input for existing output file '%s'", output_path)
             image = cv2.imread(input_path)
diff --git a/src/eynollah/utils/__init__.py b/src/eynollah/utils/__init__.py
index 20766a8..7be1fd0 100644
--- a/src/eynollah/utils/__init__.py
+++ b/src/eynollah/utils/__init__.py
@@ -146,7 +146,7 @@ def return_multicol_separators_x_start_end(
             args_emptysep.add(i)
             # print(j, i, "%d:%d" % (y_mid[j], y_mid[i]), "%d:%d" % (x_start[i], x_end[i]), "empty next sep")
     args_to_be_kept = [arg for arg in args_ysorted
-                       if not arg in args_emptysep]
+                       if arg not in args_emptysep]
     x_start = x_start[args_to_be_kept]
     x_end = x_end[args_to_be_kept]
     y_min = y_min[args_to_be_kept]