fix(python): in check_replacements() handle both single line and mu…

…lti line hanging comma after removing kwargs

fixes getgrit#416

crates/core/src/test.rs

@@ -12324,7 +12324,7 @@ fn trailing_comma_after_argument_removal_one_line() {
             "#
                 .to_owned(),
             expected: r#"
-                TaskMetadata(description="Parallel news titles from the Tbilisi City Hall website (https://tbilisi.gov.ge/).", main_score="f1", domains=["News"], text_creation="created",   reference="https://huggingface.co/datasets/jupyterjazz/tbilisi-city-hall-titles")
+                TaskMetadata(description="Parallel news titles from the Tbilisi City Hall website (https://tbilisi.gov.ge/).", main_score="f1", domains=["News"], text_creation="created",  reference="https://huggingface.co/datasets/jupyterjazz/tbilisi-city-hall-titles")
             "#
                 .to_owned(),
         }

crates/language/src/python.rs

@@ -78,7 +78,17 @@ impl Language for Python {
     }
 
     fn check_replacements(&self, n: NodeWithSource<'_>, replacements: &mut Vec<Replacement>) {
+        // https://github.com/getgrit/gritql/issues/416 multi line example
+        if n.node.kind() == "," {
+            if let Some(prev) = n.node.prev_sibling() {
+                let empty = prev.range().end_byte() == prev.range().start_byte();
+                if prev.kind() == "identifier" && empty {
+                    replacements.push(Replacement::new(n.range(), ""));
+                }
+            }
+        }
         if n.node.is_error() {
+            // https://github.com/getgrit/gritql/issues/416 single line example
             if n.text().is_ok_and(|t| t == "->") || n.text().is_ok_and(|t| t == ",") {
                 replacements.push(Replacement::new(n.range(), ""));
             }