From d63e93e6b8ede1e4638a0e971c9b7ebc96e5c121 Mon Sep 17 00:00:00 2001
From: Thibaut Lunet <thibaut.lunet@tuhh.de>
Date: Fri, 17 Jan 2025 09:47:45 +0100
Subject: [PATCH] TL: tentative to solve static typing issue with no mpi4py

---
 pySDC/helpers/fieldsIO.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pySDC/helpers/fieldsIO.py b/pySDC/helpers/fieldsIO.py
index d7b32d980..732933117 100644
--- a/pySDC/helpers/fieldsIO.py
+++ b/pySDC/helpers/fieldsIO.py
@@ -43,15 +43,18 @@
 import numpy as np
 from typing import Type, TypeVar
 
+T = TypeVar("T")
+
 try:
     from mpi4py import MPI
 except ImportError:
 
     class MPI:
         COMM_WORLD = None
+        Intracomm = T
+
 
 
-T = TypeVar("T")
 
 # Supported data types
 DTYPES = {