diff --git a/sampy/raknet/bitstream.py b/sampy/raknet/bitstream.py
index 1b72b05..c7a75e2 100644
--- a/sampy/raknet/bitstream.py
+++ b/sampy/raknet/bitstream.py
@@ -2,6 +2,8 @@ import ctypes as c
 
 from array import array
 
+from typing import *
+
 import logging
 logger = logging.getLogger(__name__)
 
@@ -26,7 +28,7 @@ class Bitstream:
         self._offset += 1
         return True
 
-    def read_bit(self) -> (bool, bool):
+    def read_bit(self) -> Tuple[bool, bool]:
         if not self._can_access_bits(1):
             return False, False
 
@@ -68,7 +70,7 @@ class Bitstream:
 
         return True
 
-    def read(self, bit_length: int) -> (bool, bytes):
+    def read(self, bit_length: int) -> Tuple[bool, bytes]:
         if not self._can_access_bits(bit_length):
             return False, b""