>>> from decimal import Decimal
>>> import pyexcel as p
>>> s=p.Sheet([[Decimal(11)]])
>>> s
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "pyexcel/sheets/sheet.py", line 557, in __repr__
result = self.texttable
File "pyexcel/sources/__init__.py", line 64, in custom_presenter
memory_source.write_data(self)
File "pyexcel/sources/file_source_output.py", line 78, in write_data
sheet, **self._keywords)
File "pyexcel/renderers/factory.py", line 48, in render_sheet_to_stream
self.render_sheet(sheet, **keywords)
File "pyexcel/renderers/_texttable.py", line 15, in render_sheet
content = render_text_table(sheet, self._write_title)
File "pyexcel/renderers/_texttable.py", line 34, in render_text_table
table.add_row(list(_cleanse_a_row(data[0])))
File "pyexcel/renderers/_texttable.py", line 47, in _cleanse_a_row
yield(to_format(str, item))
File "pyexcel/sheets/formatters.py", line 126, in to_format
func = CONVERSION_FUNCTIONS[from_type]
KeyError: <class 'decimal.Decimal'>
reference: pyexcel-webwares/django-excel#32 (comment)