def _getPageInfo(self, pno, what):
if self.isClosed or self.isEncrypted:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>val = _fitz.Document__getPageInfo(self, pno, what)<EOL>x = []<EOL>for v in val:<EOL><INDENT>if v not in x:<EOL><INDENT>x.append(v)<EOL><DEDENT><DEDENT>val = x<EOL>return val<EOL>
Show fonts or images used on a page.