From af8a540d03bc6545e066363bd25776ffab564dd9 Mon Sep 17 00:00:00 2001
From: Sylwester Arabas <sylwester.arabas@uj.edu.pl>
Date: Fri, 17 Sep 2021 13:26:11 -0500
Subject: [PATCH] fixing calling sequence for Particles.keys()

---
 PySDM/state/particles.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/PySDM/state/particles.py b/PySDM/state/particles.py
index a35f604cb..2c158ef6d 100644
--- a/PySDM/state/particles.py
+++ b/PySDM/state/particles.py
@@ -70,7 +70,6 @@ def reset_cell_idx(self):
         self.cell_idx.reset_index()
         self.__sort_by_cell_id()
 
-    @property
     def keys(self):
         return self.attributes.keys()