def _check_prompt_blank(self, lines, indent, name, lineno):
for i, line in enumerate(lines):<EOL><INDENT>if len(line) >= indent+<NUM_LIT:4> and line[indent+<NUM_LIT:3>] != '<STR_LIT:U+0020>':<EOL><INDENT>raise ValueError('<STR_LIT>'<EOL>'<STR_LIT>' %<EOL>(lineno+i+<NUM_LIT:1>, name,<EOL>line[indent:indent+<NUM_LIT:3>], line))<EOL><DEDENT><DEDENT>
Given the lines of a source string (including prompts and
leading indentation), check to make sure that every prompt is
followed by a space character.  If any line is not followed by
a space character, then raise ValueError.