diff --git a/my/location/home.py b/my/location/home.py
index 60b31c5..11de568 100644
--- a/my/location/home.py
+++ b/my/location/home.py
@@ -6,7 +6,7 @@ from datetime import datetime, date, time, timezone
 from functools import lru_cache
 from typing import Sequence, Tuple, Union, cast
 
-from ..core.common import fromisoformat
+from ..core.compat import fromisoformat
 
 from my.config import location as user_config
 
diff --git a/my/taplog.py b/my/taplog.py
index adc84c8..8e45f5b 100644
--- a/my/taplog.py
+++ b/my/taplog.py
@@ -6,7 +6,7 @@ from datetime import datetime
 from typing import NamedTuple, Dict, Optional, Iterable
 
 from .core import get_files
-from .core.common import fromisoformat
+from .core.compat import fromisoformat
 
 from my.config import taplog as user_config
 
diff --git a/my/time/tz/via_location.py b/my/time/tz/via_location.py
index ca0f628..2d627ad 100644
--- a/my/time/tz/via_location.py
+++ b/my/time/tz/via_location.py
@@ -140,7 +140,7 @@ def localize(dt: datetime) -> tzdatetime:
 
 from ...core import stat, Stats
 def stats() -> Stats:
-    from ...core.common import fromisoformat
+    from ...core.compat import fromisoformat
     # TODO not sure what would be a good stat() for this module...
     # might be nice to print some actual timezones?
     # there aren't really any great iterables to expose