Merge pull request #3338 from aserenko/fix_unique_ids_at_node_creation_bug

Fix parentheses in connection_helpers

Author: clinssen

pynest/nest/lib/hl_api_connection_helpers.py

@@ -291,8 +291,8 @@ def _process_input_nodes(pre, post, conn_spec):
 
     # check for 'one_to_one' conn_spec
     one_to_one_cspec = (
-        conn_spec if not isinstance(conn_spec, dict) else conn_spec.get("rule", "all_to_all") == "one_to_one"
-    )
+        conn_spec if not isinstance(conn_spec, dict) else conn_spec.get("rule", "all_to_all")
+    ) == "one_to_one"
 
     # check and convert input types
     pre_is_nc, post_is_nc = True, True