From d6dd686ab58307397910477633a6ed1cf01a9104 Mon Sep 17 00:00:00 2001
From: Dani Bodor <d.bodor@esciencecenter.nl>
Date: Thu, 7 Sep 2023 12:47:43 +0200
Subject: [PATCH] remove `_get_atom_node_key` method

as discussed in issue #490
---
 deeprank2/query.py | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/deeprank2/query.py b/deeprank2/query.py
index a22d78e54..2c8cb6d98 100644
--- a/deeprank2/query.py
+++ b/deeprank2/query.py
@@ -160,17 +160,6 @@ def _load_structure(self, load_pssms: bool) -> PDBStructure:
 
         return structure
 
-    @staticmethod
-    def _get_atom_node_key(atom) -> str:
-        #TODO: check whether this method is still useful or just obsolete legacy code
-        """
-        Since pickle has problems serializing the graph when the nodes are atoms,
-        this function can be used to generate a unique key for the atom.
-        """
-
-        # This should include the model, chain, residue and atom
-        return str(atom)
-
     @property
     def model_id(self) -> str:
         """The ID of the model, usually a .PDB accession code."""