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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _repair_row(self):
        '''
        Searches for missing titles that can be inferred from the surrounding data and automatically
        repairs those titles.
        '''
        # Repair any title rows
        check_for_title = True
        for row_index in range(self.start[0], self.end[0]):
            table_row = self.table[row_index]
            row_start = table_row[self.start[1]]

            # Look for empty cells leading titles
            if check_for_title and is_empty_cell(row_start):
                self._stringify_row(row_index)
            # Check for year titles in column or row
            elif (isinstance(row_start, basestring) and
                  re.search(allregex.year_regex, row_start)):
                self._check_stringify_year_row(row_index)
            else:
                check_for_title = False