723     def fill(self, text=""):  member in _Unparser
734     def buffered(self, buffer = None):  argument
735         if buffer is None:
736             buffer = []
739         self._source = buffer
740         yield buffer
846         self.fill()
858         self.fill("import ")
862         self.fill("from ")
870         self.fill()
880         self.fill()
886         self.fill()
896         self.fill("return")
902         self.fill("pass")
905         self.fill("break")
908         self.fill("continue")
911         self.fill("del ")
915         self.fill("assert ")
922         self.fill("global ")
926         self.fill("nonlocal ")
954         self.fill("raise")
966         self.fill("try")
972             self.fill("else")
976             self.fill("finally")
997         self.fill("except*" if self._in_try_star else "except")
1010             self.fill("@")
1012         self.fill("class " + node.name)
1040             self.fill("@")
1043         self.fill(def_str)
1058     def _for_helper(self, fill, node):  argument
1059         self.fill(fill)
1067             self.fill("else")
1072         self.fill("if ")
1079             self.fill("elif ")
1085             self.fill("else")
1090         self.fill("while ")
1095             self.fill("else")
1100         self.fill("with ")
1106         self.fill("async with ")
1158             with self.buffered() as buffer:
1160             return self._write_str_avoiding_backslashes("".join(buffer))
1170             with self.buffered() as buffer:
1173                 ("".join(buffer), isinstance(value, Constant))
1229         self.fill()
1525         self.fill("match ")
1599             with self.buffered() as buffer:
1601             if buffer:
1602                 self.write(" ", *buffer)
1619         self.fill("case ")