diff --git a/pypsa/io.py b/pypsa/io.py
index <HASH>..<HASH> 100644
--- a/pypsa/io.py
+++ b/pypsa/io.py
@@ -597,10 +597,11 @@ def _import_from_importer(network, importer, basename, skip_time=False):
     ##https://docs.python.org/3/tutorial/datastructures.html#comparing-sequences-and-other-types
     if pypsa_version is None or pypsa_version < current_pypsa_version:
         logger.warning(dedent("""
-                Importing PyPSA from older version of PyPSA than current version {}.
+                Importing PyPSA from older version of PyPSA than current version.
                 Please read the release notes at https://pypsa.org/doc/release_notes.html
-                carefully to prepare your network for import.
-        """).format(network.pypsa_version))
+                carefully to prepare your network for import. 
+                Currently used PyPSA version {}, imported network file PyPSA version {}.
+        """).format(current_pypsa_version, pypsa_version))
 
     importer.pypsa_version = pypsa_version
     importer.current_pypsa_version = current_pypsa_version
Include both current and imported network file PyPSA version for convenience. (#<I>)