[pycharm] PY-82799 Fix helper script to hide the metadata error

GitOrigin-RevId: 4678e6c19a6158508430e9a4375d65dd5868424b

python/helpers/uv/uv_sync_proxy.py

@@ -21,7 +21,7 @@ venv_path = None
 try:
     sync_output = subprocess.check_output(
         [uv_path, "sync", "--script", script_path],
-        stderr=subprocess.STDOUT
+        stderr=subprocess.DEVNULL
     ).decode("utf-8")
 
     result = re.search(r"environment at: (.*)\n", sync_output)
@@ -37,7 +37,6 @@ except subprocess.CalledProcessError as e:
     str_output = e.output.decode("utf-8")
     if "does not contain a PEP 723 metadata tag" in str_output:
         should_sync_project = True
-    print(str_output, file=sys.stderr)
 
 
 sync_segment = "" if should_sync_project else "--no-sync"
@@ -49,6 +48,5 @@ if venv_path is not None:
 command = [uv_path, "run", active_segment, sync_segment] + sys.argv[4:]
 command = [segment for segment in command if segment != ""]
 
-print()
 print(" ".join([f"\"{segment}\"" if " " in segment else segment for segment in command]))
 subprocess.call(command)