From 62119ff9dc3fad8dc87c970c069fb3c388f77325 Mon Sep 17 00:00:00 2001
From: Leander Kurscheidt <Leander.Kurscheidt@gmx.de>
Date: Fri, 10 Feb 2023 18:07:00 +0100
Subject: [PATCH] Clean Figure: Handle case if all data is nan

---
 src/tikzplotlib/_cleanfigure.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tikzplotlib/_cleanfigure.py b/src/tikzplotlib/_cleanfigure.py
index 182a7455..47bdc6a0 100644
--- a/src/tikzplotlib/_cleanfigure.py
+++ b/src/tikzplotlib/_cleanfigure.py
@@ -486,6 +486,8 @@ def _remove_NaNs(data):
     :returns: data without NaNs
     """
     id_nan = np.any(np.isnan(data), axis=1)
+    if np.all(id_nan):
+        return np.delete(data, np.arange(len(data)), axis=0)
     id_remove = np.argwhere(id_nan).reshape((-1,))
     if _isempty(id_remove):
         pass