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diff --git a/env/lib/python3.10/site-packages/PIL/ContainerIO.py b/env/lib/python3.10/site-packages/PIL/ContainerIO.py
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--- a/env/lib/python3.10/site-packages/PIL/ContainerIO.py
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-#
-# The Python Imaging Library.
-# $Id$
-#
-# a class to read from a container file
-#
-# History:
-# 1995-06-18 fl Created
-# 1995-09-07 fl Added readline(), readlines()
-#
-# Copyright (c) 1997-2001 by Secret Labs AB
-# Copyright (c) 1995 by Fredrik Lundh
-#
-# See the README file for information on usage and redistribution.
-#
-
-
-import io
-
-
-class ContainerIO:
- """
- A file object that provides read access to a part of an existing
- file (for example a TAR file).
- """
-
- def __init__(self, file, offset, length):
- """
- Create file object.
-
- :param file: Existing file.
- :param offset: Start of region, in bytes.
- :param length: Size of region, in bytes.
- """
- self.fh = file
- self.pos = 0
- self.offset = offset
- self.length = length
- self.fh.seek(offset)
-
- ##
- # Always false.
-
- def isatty(self):
- return False
-
- def seek(self, offset, mode=io.SEEK_SET):
- """
- Move file pointer.
-
- :param offset: Offset in bytes.
- :param mode: Starting position. Use 0 for beginning of region, 1
- for current offset, and 2 for end of region. You cannot move
- the pointer outside the defined region.
- """
- if mode == 1:
- self.pos = self.pos + offset
- elif mode == 2:
- self.pos = self.length + offset
- else:
- self.pos = offset
- # clamp
- self.pos = max(0, min(self.pos, self.length))
- self.fh.seek(self.offset + self.pos)
-
- def tell(self):
- """
- Get current file pointer.
-
- :returns: Offset from start of region, in bytes.
- """
- return self.pos
-
- def read(self, n=0):
- """
- Read data.
-
- :param n: Number of bytes to read. If omitted or zero,
- read until end of region.
- :returns: An 8-bit string.
- """
- if n:
- n = min(n, self.length - self.pos)
- else:
- n = self.length - self.pos
- if not n: # EOF
- return b"" if "b" in self.fh.mode else ""
- self.pos = self.pos + n
- return self.fh.read(n)
-
- def readline(self):
- """
- Read a line of text.
-
- :returns: An 8-bit string.
- """
- s = b"" if "b" in self.fh.mode else ""
- newline_character = b"\n" if "b" in self.fh.mode else "\n"
- while True:
- c = self.read(1)
- if not c:
- break
- s = s + c
- if c == newline_character:
- break
- return s
-
- def readlines(self):
- """
- Read multiple lines of text.
-
- :returns: A list of 8-bit strings.
- """
- lines = []
- while True:
- s = self.readline()
- if not s:
- break
- lines.append(s)
- return lines