comment out key.extract::<&PyTuple>() condition statement

Author: emgeee

src/dataframe.rs

@@ -70,13 +70,14 @@ impl PyDataFrame {
         if let Ok(key) = key.extract::<PyBackedStr>() {
             // df[col]
             self.select_columns(vec![key])
-        } else if let Ok(tuple) = key.extract::<&PyTuple>() {
-            // df[col1, col2, col3]
-            let keys = tuple
-                .iter()
-                .map(|item| item.extract::<PyBackedStr>())
-                .collect::<PyResult<Vec<PyBackedStr>>>()?;
-            self.select_columns(keys)
+        // } else if let Ok(tuple) = key.extract::<&PyTuple>() {
+        // @todo: make this branch work
+        //     // df[col1, col2, col3]
+        //     let keys = tuple
+        //         .iter()
+        //         .map(|item| item.extract::<PyBackedStr>())
+        //         .collect::<PyResult<Vec<PyBackedStr>>>()?;
+        //     self.select_columns(keys)
         } else if let Ok(keys) = key.extract::<Vec<PyBackedStr>>() {
             // df[[col1, col2, col3]]
             self.select_columns(keys)