Add "isatty" function to StdOutRedirect. Needed by some logging frame…

…work

src/PythonQtStdOut.cpp

@@ -91,14 +91,21 @@ static PyObject *PythonQtStdOutRedirect_flush(PyObject * /*self*/, PyObject * /*
   return Py_BuildValue("");
 }
 
-
+static PyObject *PythonQtStdOutRedirect_isatty(PyObject * /*self*/, PyObject * /*args*/)
+{
+  long res = 0;
+  return PyBool_FromLong(res);
+}
 
 static PyMethodDef PythonQtStdOutRedirect_methods[] = {
   {"write", (PyCFunction)PythonQtStdOutRedirect_write, METH_VARARGS,
   "redirect the writing to a callback"},
   {"flush", (PyCFunction)PythonQtStdOutRedirect_flush, METH_VARARGS,
   "flush the output, currently not implemented but needed for logging framework"
   },
+  {"isatty", (PyCFunction)PythonQtStdOutRedirect_isatty,   METH_NOARGS,
+   "return False since this object is not a tty-like device. Needed for logging framework"
+  },
   {NULL,    NULL, 0 , NULL} /* sentinel */
 };