最近发现odoo14配合官方APP使用，用手机拍照上传图片时，当手机竖着拍照就会报错：
d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/TiffImagePlugin.py:603: UserWarning: Metadata Warning, tag 282 had too many entries: 2, expected 1
% (tag, len(values))
d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/TiffImagePlugin.py:603: UserWarning: Metadata Warning, tag 283 had too many entries: 2, expected 1
% (tag, len(values))
d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/TiffImagePlugin.py:603: UserWarning: Metadata Warning, tag 34853 had too many entries: 9, expected 1
% (tag, len(values))
Traceback (most recent call last):
File "test.py", line 21, in <module>
image = ImageOps.exif_transpose(image)
File "d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/ImageOps.py", line 549, in exif_transpose
transposed_image.info["exif"] = exif.tobytes()
File "d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/Image.py", line 3213, in tobytes
return b"Exif\x00\x00" + head + ifd.tobytes(offset)
File "d:/godoo14_ce_pg12.4_20201219/runtime/python/lib/python3.7/site-packages/PIL/TiffImagePlugin.py", line 837, in tobytes
count = len(data)
TypeError: object of type 'int' has no len()
看出错日志是在 PIL 库里出错了，网上搜了一下，有不少人报告这个BUG，这个BUG在Pillow 7.0 之前的版本存在， 再检查一下Odoo中使用的版是Pillow 6.2，卸载旧版库，安装新版（8.2）后问题解决：
D:\GOdoo14_CE_pg12.4_20201219>runtime\python\python -m pip uninstall Pillow
Uninstalling Pillow-6.1.0:
Would remove:
d:\godoo14_ce_pg12.4_20201219\runtime\python\lib\site-packages\pil\*
d:\godoo14_ce_pg12.4_20201219\runtime\python\lib\site-packages\pillow-6.1.0.dist-info\*
Proceed (y/n)? y
Successfully uninstalled Pillow-6.1.0
D:\GOdoo14_CE_pg12.4_20201219>runtime\python\python -m pip install Pillow
Collecting Pillow
Downloading https://files.pythonhosted.org/packages/84/41/b233abcfb9bae12768bffae92e2c96d2d807cd92a3cef7d24987df0e3d64/Pillow-8.2.0-cp37-cp37m-win_amd64.whl (2.2MB)
|████████████████████████████████| 2.2MB 44kB/s
Installing collected packages: Pillow
Successfully installed Pillow-8.2.0
WARNING: You are using pip version 19.3.1; however, version 21.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
