From c73368781b05eb4704851e1e3a639ec1aabf8617 Mon Sep 17 00:00:00 2001
From: Michael Krayer <michael.krayer@posteo.de>
Date: Thu, 3 Jun 2021 16:41:20 +0200
Subject: [PATCH] numpy asks for tuples

---
 parallel.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/parallel.py b/parallel.py
index 2ef473d..5a92556 100644
--- a/parallel.py
+++ b/parallel.py
@@ -430,6 +430,7 @@ class PPP:
                         sl[axis] = slice(
                             self.proc_grid[key][2*axis][pos[axis]]-1,
                             self.proc_grid[key][2*axis+1][pos[axis]])
+                sl = tuple(sl)
                 # Receive data and put it in a good spot
                 if rank_src==0:
                     integ[sl] += integ_local
@@ -466,6 +467,7 @@ class PPP:
         for axis in range(3):
             if not self.field[key_out].has_same_dim(field_ref,axis=axis):
                 sl[axis] = slice(0,field_ref.dim(axis=axis))
+        sl = tuple(sl)
         self.field[key_out].data = self.field[key_out].data[sl]
         # Copy metadata of pressure grid
         self.copy('p',key_out,skip_data=True,skip_symmetries=True)