message: [ScriptInterpreterPython] find_first_of -> find (NFC)
  Follow up to r357198.
diff: @@ -2869,7 +2869,8 @@ bool ScriptInterpreterPythonImpl::IsReservedWord(const char *word) {
  // filter out a few characters that would just confuse us and that are
  // clearly not keyword material anyway
  - if (word_sr.find_first_of("'\"") != llvm::StringRef::npos)
  + if (word_sr.find('"') != llvm::StringRef::npos ||
  + word_sr.find('\'') != llvm::StringRef::npos)
  return false;
  StreamString command_stream;
  