Improvements

Author: spookylukey

src/parsy/__init__.py

@@ -351,11 +351,11 @@ def seq_parser(stream: str, index: int) -> Result[tuple[OUT1, OUT2]]:
     # haskelley operators, for fun #
 
     # >>
-    def __rshift__(self: Parser, other: Parser[OUT2]) -> Parser[OUT2]:
+    def __rshift__(self, other: Parser[OUT2]) -> Parser[OUT2]:
         return self.then(other)
 
     # <<
-    def __lshift__(self: Parser[OUT1], other: Parser) -> Parser[OUT1]:
+    def __lshift__(self, other: Parser) -> Parser[OUT]:
         return self.skip(other)