.

bigfile/_file_zodb.pyx

@@ -122,20 +122,17 @@ cdef public class _ZBigFile(BigFile) [object _ZBigFile, type _ZBigFile_Type]:
         return super(_ZBigFile, zf).fileh_open(mmap_overlay)
 
 
-
-
 # pywconnOf establishes and returns (py) wcfs.Conn associated with zconn.
 #
 # returned wcfs.Conn will be maintained to keep in sync with zconn, and will be
 # closed when zconn is destroyed.
 #
-# It is invalid to make simultaneous calls to pywconnOf with the same zconn.
+# It is invalid to make multiple simultaneous calls to pywconnOf with the same zconn.
 # (in ZODB/py objects for zconn must be used from under 1 thread only).
 cdef wcfs.PyConn pywconnOf(zconn):
     assert isinstance(zconn, ZConnection)
     assert zconn.opened
 
-    # XXX locking
     wconn = getattr(zconn, '_wcfs_wconn', None)
     if wconn is not None:
         return wconn