Update src/build_options.rs

Co-authored-by: konstin <[email protected]>

src/build_options.rs

@@ -277,7 +277,7 @@ impl BuildOptions {
         if !args_from_pyproject.is_empty() {
             eprintln!(
                 "📡 Using build options {} from pyproject.toml",
-                args_from_pyproject.join(",")
+                args_from_pyproject.join(", ")
             );
         }