ruff --fix

mpsd-software.py

@@ -886,7 +886,7 @@ def install_environment(
     for toolchain in toolchains:
         if toolchain not in available_toolchains:
             msg = f"Toolchain '{toolchain}' is not available in release {mpsd_release}."
-            msg += f"Use 'available' command to see list of available toolchains."
+            msg += "Use 'available' command to see list of available toolchains."
             logging.error(msg)
             sys.exit(1)