Avoid wrapping import-star statements (#1089)

src/isort/format.rs

@@ -42,6 +42,15 @@ pub fn format_import_from(
     force_wrap_aliases: bool,
     is_first: bool,
 ) -> String {
+    if aliases.len() == 1
+        && aliases
+            .iter()
+            .all(|(alias, _)| alias.name == "*" && alias.asname.is_none())
+    {
+        let (single_line, ..) = format_single_line(import_from, comments, aliases, is_first);
+        return single_line;
+    }
+
     // We can only inline if: (1) none of the aliases have atop comments, and (3)
     // only the last alias (if any) has inline comments.
     if aliases
@@ -58,7 +67,7 @@ pub fn format_import_from(
     {
         let (single_line, import_length) =
             format_single_line(import_from, comments, aliases, is_first);
-        if import_length <= line_length {
+        if import_length <= line_length || aliases.iter().any(|(alias, _)| alias.name == "*") {
             return single_line;
         }
     }

src/isort/mod.rs

@@ -561,6 +561,7 @@ mod tests {
     #[test_case(Path::new("insert_empty_lines.py"))]
     #[test_case(Path::new("leading_prefix.py"))]
     #[test_case(Path::new("no_reorder_within_section.py"))]
+    #[test_case(Path::new("no_wrap_star.py"))]
     #[test_case(Path::new("order_by_type.py"))]
     #[test_case(Path::new("order_relative_imports_by_level.py"))]
     #[test_case(Path::new("preserve_comment_order.py"))]

src/isort/snapshots/ruff__isort__tests__no_wrap_star.py.snap

@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 2
+    column: 0
+  fix:
+    content: "from .subscription import *  # type: ignore  # some very long comment explaining why this needs a type ignore\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 2
+      column: 0
+