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InvalidSizeError when downloading an object with content-encoding:gzip using fget_object

See original GitHub issue

fget_object fail to download an object with content-encoding:gzip. Version 6.0.0

Create tar.gz file:

echo 'Hello' >> test.txt
tar -czvf test.tar.gz test.txt

bucket = 'b'
# upload object
minio.fput_object(bucket, 'test.txt', 'test.tar.gz', content_type='text/plain', metadata={'Content-Encoding': 'gzip'})

# this is working
response = minio.get_object(bucket, 'test2.txt')

# throws an error
minio.fget_object(bucket, 'test.txt', 'test3.txt')

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.8/dist-packages/minio/api.py", line 835, in fget_object
    raise InvalidSizeError(msg)
minio.error.InvalidSizeError: InvalidSizeError: message: Data written 6 bytes is in excess than the specified size 127 bytes