add a helpful message for people who installed last before 4.0.8

NNPDF · Jan 24, 2024 · 8cb04b3 · 8cb04b3
1 parent fc2cb9f
commit 8cb04b3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/validphys2/src/validphys/__init__.py b/validphys2/src/validphys/__init__.py
@@ -1 +1,4 @@
-from ._version import __version__
+try:
+    from ._version import __version__
+except ModuleNotFoundError:
+    raise ModuleNotFoundError("`_version` not found, you might need to reinstall nnpdf (e.g., `pip install .`) if you installed last before nnpdf 4.0.8")