From dc6e903f142cd00514e6650141d57803242e3dfd Mon Sep 17 00:00:00 2001
From: tanishy7777 <23110328@iitgn.ac.in>
Date: Sat, 28 Dec 2024 16:12:53 +0530
Subject: [PATCH] Modified aggregation method

---
 package/MDAnalysis/analysis/polymer.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/package/MDAnalysis/analysis/polymer.py b/package/MDAnalysis/analysis/polymer.py
index 61042a8755..55119a5d6b 100644
--- a/package/MDAnalysis/analysis/polymer.py
+++ b/package/MDAnalysis/analysis/polymer.py
@@ -40,8 +40,7 @@
 from .. import NoDataError
 from ..core.groups import requires, AtomGroup
 from ..lib.distances import calc_bonds
-from .base import AnalysisBase
-from .results import ResultsGroup
+from .base import AnalysisBase, ResultsGroup
 
 logger = logging.getLogger(__name__)
 
@@ -306,7 +305,7 @@ def _conclude(self):
         self._perform_fit()
 
     def _get_aggregator(self):
-        return ResultsGroup(lookup={'bond_autocorrelation': ResultsGroup.ndarray_sum})
+        return ResultsGroup(lookup={'bond_autocorrelation': ResultsGroup.ndarray_vstack})
 
     def _calc_bond_length(self):
         """calculate average bond length"""