t

python/sdist/amici/__init__.py

@@ -7,6 +7,7 @@
 """
 
 import contextlib
+import datetime
 import importlib
 import os
 import re
@@ -218,11 +219,14 @@ def import_model_module(
         t_imported = m.get_import_time()
         t_modified = os.path.getmtime(m.__file__)
         if t_imported < t_modified:
+            t_imp_str = datetime.datetime.fromtimestamp(t_imported).isoformat()
+            t_mod_str = datetime.datetime.fromtimestamp(t_modified).isoformat()
             raise RuntimeError(
                 f"Cannot import extension for {module_name} from "
                 f"{module_path}, because an extension in the same location "
                 f"has already been imported, but the file was modified on "
-                "disk. Import the module with a different name or restart the "
+                f"disk. \nImported at {t_imp_str}\nModified at {t_mod_str}.\n"
+                "Import the module with a different name or restart the "
                 "Python kernel."
             )