Remove output trailing newline

plugins/kernels/fps_kernels/kernel_driver/driver.py

@@ -1,3 +1,4 @@
+import os
 import time
 import uuid
 from typing import Any, Dict, Optional, cast
@@ -258,6 +259,9 @@ async def _handle_outputs(self, outputs: Array, msg: Dict[str, Any]):
         if msg_type == "stream":
             with outputs.doc.transaction():
                 # TODO: uncomment when changes are made in jupyter-ydoc
+                text = content["text"]
+                if text.endswith(os.linesep):
+                    text = text[:-1]
                 if (not outputs) or (outputs[-1]["name"] != content["name"]):  # type: ignore
                     outputs.append(
                         # Map(
@@ -270,13 +274,13 @@ async def _handle_outputs(self, outputs: Array, msg: Dict[str, Any]):
                         {
                             "name": content["name"],
                             "output_type": msg_type,
-                            "text": [content["text"]],
+                            "text": [text],
                         }
                     )
                 else:
                     # outputs[-1]["text"].append(content["text"])  # type: ignore
                     last_output = outputs[-1]
-                    last_output["text"].append(content["text"])  # type: ignore
+                    last_output["text"].append(text)  # type: ignore
                     outputs[-1] = last_output
         elif msg_type in ("display_data", "execute_result"):
             if "application/vnd.jupyter.ywidget-view+json" in content["data"]: