From 846d07e66407c9a7b810a534d27196f3c6419401 Mon Sep 17 00:00:00 2001
From: Grisha Szep <gregory.szep@gmail.com>
Date: Sun, 16 Apr 2023 14:55:14 +0100
Subject: [PATCH] revert changes

---
 anndata/_core/anndata.py | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/anndata/_core/anndata.py b/anndata/_core/anndata.py
index 235827c39..541bc0ab0 100644
--- a/anndata/_core/anndata.py
+++ b/anndata/_core/anndata.py
@@ -348,7 +348,7 @@ def _init_as_view(self, adata_ref: "AnnData", oidx: Index, vidx: Index):
 
         # set data
         if self.isbacked:
-            self._X = None
+            self._X = self._obs = None
 
         # set raw, easy, as it’s immutable anyways...
         if adata_ref._raw is not None:
@@ -837,13 +837,7 @@ def _set_dim_index(self, value: pd.Index, attr: str):
     @property
     def obs(self) -> pd.DataFrame:
         """One-dimensional annotation of observations (`pd.DataFrame`)."""
-        if self.isbacked:
-            if not self.file.is_open:
-                self.file.open()
-            obs = DataFrame(self.file["obs"])
-        else:
-            obs = self._obs
-        return obs
+        return self._obs
 
     @obs.setter
     def obs(self, value: pd.DataFrame):