# HG changeset patch
# User Jelmer Vernooij <jelmer@jelmer.uk>
# Date 1607698113 0
#      Fri Dec 11 14:48:33 2020 +0000
# Node ID 1bc64e169fd07ac17254ab81f911de321ea475ca
# Parent  53c7e99f7dc7d1152458487e4b3a3ef5fb090043
Fix type checking on python 3.5.

diff --git a/dulwich/bundle.py b/dulwich/bundle.py
--- a/dulwich/bundle.py
+++ b/dulwich/bundle.py
@@ -27,12 +27,12 @@
 
 class Bundle(object):
 
-    version: Optional[int] = None
+    version = None  # type: Optional[int]
 
-    capabilities: Dict[str, str] = {}
-    prerequisites: List[Tuple[bytes, str]] = []
-    references: Dict[str, bytes] = {}
-    pack_data: Union[PackData, Sequence[bytes]] = []
+    capabilities = {}  # type: Dict[str, str]
+    prerequisites = []  # type: List[Tuple[bytes, str]]
+    references = {}  # type: Dict[str, bytes]
+    pack_data = []  # type: Union[PackData, Sequence[bytes]]
 
     def __eq__(self, other):
         if not isinstance(other, type(self)):