No need to change this.

Author: cindytsai

src/libyt_python_shell.cpp

@@ -471,10 +471,8 @@ CodeValidity LibytPythonShell::check_code_validity(const std::string& code, bool
 
     // clear error buffer before redirecting stderr
     PyErr_Clear();
-    PyRun_SimpleString("import sys, io");
-    PyRun_SimpleString("sys.OUTPUT_STDERR=''");
-    PyRun_SimpleString("stderr_buf=io.StringIO()");
-    PyRun_SimpleString("sys.stderr=stderr_buf");
+    PyRun_SimpleString("import sys, io\n");
+    PyRun_SimpleString("sys.OUTPUT_STDERR=''\nstderr_buf=io.StringIO()\nsys.stderr=stderr_buf\n");
 
     PyObject* py_test_compile;
     if (prompt_env) {