In [2]: pd.read_csv('/tmp/boh.csv', nrows=10, chunksize=2)
---------------------------------------------------------------------------
NotImplementedError Traceback (most recent call last)
<ipython-input-2-c652c48282ad> in <module>()
----> 1 pd.read_csv('/tmp/boh.csv', nrows=10, chunksize=2)
/home/nobackup/repo/pandas/pandas/io/parsers.py in parser_f(filepath_or_buffer, sep, delimiter, header, names, index_col, usecols, squeeze, prefix, mangle_dupe_cols, dtype, engine, converters, true_values, false_values, skipinitialspace, skiprows, nrows, na_values, keep_default_na, na_filter, verbose, skip_blank_lines, parse_dates, infer_datetime_format, keep_date_col, date_parser, dayfirst, iterator, chunksize, compression, thousands, decimal, lineterminator, quotechar, quoting, escapechar, comment, encoding, dialect, tupleize_cols, error_bad_lines, warn_bad_lines, skipfooter, skip_footer, doublequote, delim_whitespace, as_recarray, compact_ints, use_unsigned, low_memory, buffer_lines, memory_map, float_precision)
651 skip_blank_lines=skip_blank_lines)
652
--> 653 return _read(filepath_or_buffer, kwds)
654
655 parser_f.__name__ = name
/home/nobackup/repo/pandas/pandas/io/parsers.py in _read(filepath_or_buffer, kwds)
391
392 if (nrows is not None) and (chunksize is not None):
--> 393 raise NotImplementedError("'nrows' and 'chunksize' cannot be used"
394 " together yet.")
395 elif nrows is not None:
NotImplementedError: 'nrows' and 'chunksize' cannot be used together yet.
(as introduced by #6774 )
Problem descriptionSupporting them together is not complicated - PR on its way.
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