fix style

mpsd-software-environment.py

@@ -385,15 +385,15 @@ def main():
                 help="Release version to prepare, install, reinstall or remove",
             )
             if cmd in ["install", "reinstall", "remove"]:
-            # "install" command needs additional documentation
+                # "install" command needs additional documentation
                 tool_chain_help = (
-                            f"Pass a list of toolchains to command {cmd}. "
-                            "Use '--toolchains ALL' to "
-                            f"{cmd} all toolchains. If '--toolchain' is not "
-                            "specified, list available toolchains for the release "
-                            "(after environment has been prepared if not done yet)."
-                        )
-            
+                    f"Pass a list of toolchains to command {cmd}. "
+                    "Use '--toolchains ALL' to "
+                    f"{cmd} all toolchains. If '--toolchain' is not "
+                    "specified, list available toolchains for the release "
+                    "(after environment has been prepared if not done yet)."
+                )
+
                 subp.add_argument(
                     "--toolchains",  # first option defines attribute
                     # name `args.toolchains` in `args = parser_args()`