stop using from __future__ import annotations

Its future in Python upstream sees uncertain.

1 files changed, 7 insertions, 4 deletions

diff --git a/mdbp/common.py b/mdbp/common.py
index e4f4792..c2be081 100644
--- a/mdbp/common.py
+++ b/mdbp/common.py
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: MIT
 """Common functions used by multiple backends"""
 
-from __future__ import annotations
 import argparse
 import contextlib
 import fnmatch
@@ -23,6 +22,12 @@ try:
 except ImportError:
     jsonschema = None
 
+if typing.TYPE_CHECKING:
+    # pylint: disable=E1101,W0212
+    Hash = hashlib._Hash
+else:
+    Hash = typing.Any
+
 def json_load(filecontextmanager:
               typing.ContextManager[typing.IO[typing.AnyStr]]) -> typing.Any:
     """Load the json context from a file context manager."""
@@ -83,9 +88,7 @@ def compute_env(build: JsonObject) -> typing.Dict[str, str]:
 class HashSumMismatch(Exception):
     """Raised from `hash_check` when validation fails."""
 
-# pylint does not grok from __future__ import annotations yet
-# pylint: disable=E1101,W0212
-def hash_check(iterable: typing.Iterable[bytes], hashobj: hashlib._Hash,
+def hash_check(iterable: typing.Iterable[bytes], hashobj: Hash,
                expected_digest: str) -> \
         typing.Iterator[bytes]:
     """Wraps an iterable that yields bytes. It doesn't modify the sequence,