mypy clean!

1 files changed, 2 insertions, 2 deletions

diff --git a/lockfile.py b/lockfile.py
index 4b6aade..03fbb9e 100644
--- a/lockfile.py
+++ b/lockfile.py
@@ -34,7 +34,7 @@ class LockFileException(Exception):
 class LockFileContents:
     pid: int
     commandline: str
-    expiration_timestamp: float
+    expiration_timestamp: Optional[float]
 
 
 class LockFile(object):
@@ -181,7 +181,7 @@ class LockFile(object):
                     # Has the lock expiration expired?
                     if contents.expiration_timestamp is not None:
                         now = datetime.datetime.now().timestamp()
-                        if now > contents.expiration_datetime:
+                        if now > contents.expiration_timestamp:
                             msg = f'Lockfile {self.lockfile} expiration time has passed; force acquiring'
                             logger.warning(msg)
                             self.release()