Note that version() can return an empty string on rolling releases

> close #251
python-distro · Oct 16, 2021 · 6ae385b · 6ae385b
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commit 6ae385b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/distro.py b/distro.py
@@ -308,6 +308,10 @@ def version(pretty: bool = False, best: bool = False) -> str:
     sources in a fixed priority order does not always yield the most precise
     version (e.g. for Debian 8.2, or CentOS 7.1).
 
+    Some other distributions may not provide this kind of information. In these
+    cases, an empty string would be returned. This behavior can be observed
+    with rolling releases distributions (e.g. Arch Linux).
+
     The *best* parameter can be used to control the approach for the returned
     version: