refactor: remove useless object inheritance

xlsxwriter/packager.py

@@ -35,7 +35,7 @@
 from .exceptions import EmptyChartSeries
 
 
-class Packager(object):
+class Packager():
     """
     A class for writing the Excel XLSX Packager file.
 

xlsxwriter/shape.py

@@ -9,7 +9,7 @@
 from warnings import warn
 
 
-class Shape(object):
+class Shape():
     """
     A class for to represent Excel XLSX shape objects.
 

xlsxwriter/sharedstrings.py

@@ -100,7 +100,7 @@ def _write_si(self, string):
 
 
 # A metadata class to store Excel strings between worksheets.
-class SharedStringTable(object):
+class SharedStringTable():
     """
     A class to track Excel shared strings between worksheets.
 

xlsxwriter/theme.py

@@ -9,7 +9,7 @@
 from io import StringIO
 
 
-class Theme(object):
+class Theme():
     """
     A class for writing the Excel XLSX Theme file.
 

xlsxwriter/workbook.py

@@ -1769,7 +1769,7 @@ def _write_defined_name(self, defined_name):
 
 
 # A metadata class to share data between worksheets.
-class WorksheetMeta(object):
+class WorksheetMeta():
     """
     A class to track worksheets data such as the active sheet and the
     first sheet.
@@ -1782,7 +1782,7 @@ def __init__(self):
 
 
 # A helper class to share embedded images between worksheets.
-class EmbeddedImages(object):
+class EmbeddedImages():
     """
     A class to track duplicate embedded images between worksheets.
 

xlsxwriter/xmlwriter.py

@@ -18,7 +18,7 @@
 xml_escapes = re.compile('["&<>\n]')
 
 
-class XMLwriter(object):
+class XMLwriter():
     """
     Simple XML writer class.