Docs: Accept empty string for release envvar

KrystalDelusion · KrystalDelusion · commit e649c1a8e1ee · 2024-11-20T12:31:12.000+13:00
diff --git a/docs/source/conf.py b/docs/source/conf.py
@@ -56,7 +56,7 @@
     else:
         release = yosys_ver
         todo_include_todos = False
-elif os.getenv("YOSYS_DOCS_RELEASE"):
+elif os.getenv("YOSYS_DOCS_RELEASE") is not None:
     release = yosys_ver
     todo_include_todos = False
 else:
