Fix bug in PCA trajectory iteration -- avoid explicit usage of self.s…

…tart
MDAnalysis · Jan 12, 2024 · 211cbcf · 211cbcf
1 parent 8ff8acc
commit 211cbcf
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/package/MDAnalysis/analysis/pca.py b/package/MDAnalysis/analysis/pca.py
@@ -247,7 +247,8 @@ def __init__(self, universe, select='all', align=False, mean=None,
 
     def _prepare(self):
         # access start index
-        self._u.trajectory[self.start]
+        # self._u.trajectory[self.start]
+        self._sliced_trajectory[0]
         # reference will be start index
         self._reference = self._u.select_atoms(self._select)
         self._atoms = self._u.select_atoms(self._select)