Use with open(): ... for peace of mind

src/ZODB/FileStorage/FileStorage.py

@@ -1183,7 +1183,7 @@ class FileStorage(
             handle_dir = ZODB.blob.remove_committed_dir
 
         # Fist step: move or remove oids or revisions
-        fp = open(os.path.join(self.blob_dir, '.removed'), 'rb')
+        with open(os.path.join(self.blob_dir, '.removed'), 'rb') as fp:
             for line in fp:
                 line = binascii.unhexlify(line.strip())
 
@@ -1198,7 +1198,6 @@ class FileStorage(
                     continue
 
                 if len(line) != 16:
-                fp.close()
                     raise ValueError("Bad record in ", self.blob_dir, '.removed')
 
                 oid, tid = line[:8], line[8:]
@@ -1210,7 +1209,6 @@ class FileStorage(
                 assert not os.path.exists(path)
                 maybe_remove_empty_dir_containing(path)
 
-        fp.close()
         os.remove(os.path.join(self.blob_dir, '.removed'))
 
         if not self.pack_keep_old: