add list preprocessing

src/book.py

@@ -722,6 +722,18 @@ class Book:
                 new_tag.string = title
                 tag.replace_with(new_tag)
 
+    def _process_lists(self):
+        """
+        Function to process tags <ul>.
+        Unwrap <p> tags.
+        """
+        list_tags = self.body_tag.find_all("ul")
+
+        for tag in list_tags:
+            for il_tag in tag.find_all("li"):
+                il_tag.attrs.update(il_tag.p.attrs)
+                il_tag.p.unwrap()
+
     def write_html_from_list(self, file_name='url_test.html'):
         folder_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
         file_path = pathlib.Path(os.path.join(folder_path, file_name))
@@ -779,6 +791,8 @@ class Book:
 
             # delete text before table of content if exists
             self.delete_content_before_toc()
+
+            self._process_lists()
         except Exception as exc:
             self.log('Error has occurred while processing html.', logging.ERROR)
             self.log_error_to_main_log()