From 2d143d9eb31398302aed65ad643647b80dd63cf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franz=20P=C3=B6schel?= <franz.poeschel@gmail.com>
Date: Fri, 24 Feb 2023 16:27:01 +0100
Subject: [PATCH] Some fixes for openpmd-pipe

---
 src/binding/python/openpmd_api/pipe/__main__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/binding/python/openpmd_api/pipe/__main__.py b/src/binding/python/openpmd_api/pipe/__main__.py
index 436bd233f1..c5312d71b5 100644
--- a/src/binding/python/openpmd_api/pipe/__main__.py
+++ b/src/binding/python/openpmd_api/pipe/__main__.py
@@ -223,6 +223,9 @@ def run(self):
                                   self.outconfig)
             print("Opened input and output on rank {}.".format(self.comm.rank))
             sys.stdout.flush()
+        # In Linear read mode, global attributes are only present after calling
+        # this method to access the first iteration
+        inseries.read_iterations()
         self.__copy(inseries, outseries)
 
     def __copy(self, src, dest, current_path="/data/"):