Remove references to LegacyVersion

bumpreqs/core.py

@@ -1,12 +1,12 @@
 import logging
 
-from typing import List, Optional, Union
+from typing import List, Optional
 
 import requests
 
 from packaging.requirements import Requirement
 from packaging.specifiers import SpecifierSet
-from packaging.version import LegacyVersion, parse as parse_version, Version
+from packaging.version import parse as parse_version, Version
 
 from .marker_extract import extract_python
 
@@ -96,12 +96,12 @@ def fix(text: str, force: Optional[bool] = False) -> str:
 def _fetch_versions(
     project_name: str,
     only_for_python: Optional[VersionIntervals] = None,
-) -> List[Union[LegacyVersion, Version]]:
+) -> List[Version]:
     resp = requests.get(f"https://pypi.org/pypi/{project_name}/json")
     resp.raise_for_status()
     obj = resp.json()
 
-    versions: List[Union[LegacyVersion, Version]] = []
+    versions: List[Version] = []
     for k, v in obj["releases"].items():
         # Skip older releases that have no archives
         if not v:

bumpreqs/marker_extract.py

@@ -1,6 +1,7 @@
 from typing import Any, Iterator, Optional, Tuple
 
-from packaging.markers import Marker, Variable
+from packaging._parser import Variable
+from packaging.markers import Marker
 
 from .vrange import TooComplicated, VersionIntervals