Improve code semantics

Author: m-aciek

build_docs.py

@@ -49,9 +49,9 @@
 HERE = Path(__file__).resolve().parent
 
 try:
-    from os import EX_OK, EX_SOFTWARE
+    from os import EX_OK, EX_SOFTWARE as EX_FAILURE
 except ImportError:
-    EX_OK, EX_SOFTWARE = 0, 1
+    EX_OK, EX_FAILURE = 0, 1
 
 try:
     import sentry_sdk
@@ -1094,4 +1094,4 @@ def main() -> bool:
 
 if __name__ == "__main__":
     all_built_successfully = main()
-    sys.exit(EX_OK if all_built_successfully else EX_SOFTWARE)
+    sys.exit(EX_OK if all_built_successfully else EX_FAILURE)