Notice explicitly ExcelWriter hasn't public methods and properties

Author: newinh

pandas/io/excel.py

@@ -824,17 +824,28 @@ class ExcelWriter(object):
 
     Notes
     -----
+    None of methods and properties are considered public.
+
     For compatibility with CSV writers, ExcelWriter serializes lists
     and dicts to strings before writing.
 
     Examples
     --------
+
     In order to write separate DataFrames to separate sheets
     in a single Excel file, one can pass an ExcelWriter.
 
     >>> with ExcelWriter('path_to_file.xlsx') as writer:
     ...     df1.to_excel(writer, sheet_name='Sheet1')
     ...     df2.to_excel(writer, sheet_name='Sheet2')
+
+    Attributes
+    ----------
+    None
+
+    Methods
+    -------
+    None
     """
     # Defining an ExcelWriter implementation (see abstract methods for more...)