bpo-45475: Revert `__iter__` optimization for GzipFile, BZ2File, and LZMAFile. (GH-29016)

This reverts commit d2a8e69c2c605fbaa3656a5f99aa8d295f74c80e.
(cherry picked from commit 0a4c82ddd34a3578684b45b76f49cd289a08740b)

Co-authored-by: Inada Naoki <songofacandy@gmail.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/Lib/bz2.py b/Lib/bz2.py
index 7f1d206..fabe4f7 100644
--- a/Lib/bz2.py
+++ b/Lib/bz2.py
@@ -197,10 +197,6 @@ class BZ2File(_compression.BaseStream):
         self._check_can_read()
         return self._buffer.readline(size)
 
-    def __iter__(self):
-        self._check_can_read()
-        return self._buffer.__iter__()
-
     def readlines(self, size=-1):
         """Read a list of lines of uncompressed bytes from the file.