When specifying a chunksize during the ExcelFile.parse() method, I should be back an iterable object, but instead a DataFrame is returned.
If you return just the TextParser (change parser.read() to just parser) in the code block below, then iterating over the parsed ExcelFile works and returns the specified number of chunks.
The code block is taken from pandas.io.excel.py line 334
Hopefully I didn't make that confusing.
parser = TextParser(data, header=header, index_col=index_col,
has_index_names=has_index_names,
na_values=na_values,
thousands=thousands,
parse_dates=parse_dates,
date_parser=date_parser,
skiprows=skiprows,
skip_footer=skip_footer,
chunksize=chunksize,
**kwds)
return parser.read()
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