# Buggy code
def sort_index(self, **kwargs):
    """Sorts the data with respect to either the columns or the indices.

    Returns:
        QueryCompiler containing the data sorted by columns or indices.
    """
    axis = kwargs.pop("axis", 0)
    # sort_index can have ascending be None and behaves as if it is False.
    # sort_values cannot have ascending be None. Thus, the following logic is to
    # convert the ascending argument to one that works with sort_values
    ascending = kwargs.pop("ascending", True)
    if ascending is None:
        ascending = False
    kwargs["ascending"] = ascending
    if axis:
        new_columns = pandas.Series(self.columns).sort_values(**kwargs)
        new_index = self.index
    else:
        new_index = pandas.Series(self.index).sort_values(**kwargs)
        new_columns = self.columns
    new_modin_frame = self._modin_frame._apply_full_axis(
        axis,
        lambda df: df.sort_index(axis=axis, **kwargs),
        new_index,
        new_columns,
        dtypes="copy" if axis == 0 else None,
    )
    return self.__constructor__(new_modin_frame)


# Traceback (Exception)
Traceback (most recent call last):
File "merge_test.py", line 6, in <module>
df3 = df1.merge(df2, on='name', how='inner')
File "/localdisk/gashiman/modin/modin/pandas/dataframe.py", line 1540, in merge
return result.reset_index(drop=True) if is_reset_index else result
File "/localdisk/gashiman/modin/modin/pandas/base.py", line 2301, in reset_index
new_query_compiler = self._query_compiler.reset_index(
File "/localdisk/gashiman/modin/modin/backends/pandas/query_compiler.py", line 442, in reset_index
new_self = self.copy()
File "/localdisk/gashiman/modin/modin/backends/pandas/query_compiler.py", line 217, in copy
return self.__constructor__(self._modin_frame.copy())
File "/localdisk/gashiman/modin/modin/engines/base/frame/data.py", line 532, in copy
return self.__constructor__(
File "/localdisk/gashiman/modin/modin/engines/base/frame/data.py", line 68, in __init__
ErrorMessage.catch_bugs_and_request_email(
File "/localdisk/gashiman/modin/modin/error_message.py", line 50, in catch_bugs_and_request_email
raise Exception(
Exception: Internal Error. Please email bug_reports@modin.org with the traceback and command that caused this error.
Column widths: 0 != 23

# Fixed code
def sort_index(self, **kwargs):
    """Sorts the data with respect to either the columns or the indices.

    Returns:
        QueryCompiler containing the data sorted by columns or indices.
    """
    axis = kwargs.pop("axis", 0)
    level = kwargs.pop("level", None)
    sort_remaining = kwargs.pop("sort_remaining", True)
    kwargs["inplace"] = False

    if level is not None or (
        (axis == 0 and isinstance(self.index, pandas.MultiIndex))
        or (axis == 1 and isinstance(self.columns, pandas.MultiIndex))
    ):
        return self.default_to_pandas(
            pandas.DataFrame.sort_index,
            level=level,
            sort_remaining=sort_remaining,
            **kwargs,
        )

    # sort_index can have ascending be None and behaves as if it is False.
    # sort_values cannot have ascending be None. Thus, the following logic is to
    # convert the ascending argument to one that works with sort_values
    ascending = kwargs.pop("ascending", True)
    if ascending is None:
        ascending = False
    kwargs["ascending"] = ascending
    if axis:
        new_columns = pandas.Series(self.columns).sort_values(**kwargs)
        new_index = self.index
    else:
        new_index = pandas.Series(self.index).sort_values(**kwargs)
        new_columns = self.columns
    new_modin_frame = self._modin_frame._apply_full_axis(
        axis,
        lambda df: df.sort_index(
            axis=axis, level=level, sort_remaining=sort_remaining, **kwargs
        ),
        new_index,
        new_columns,
        dtypes="copy" if axis == 0 else None,
    )
    return self.__constructor__(new_modin_frame)