Error when executing uds server using apache wsgi about openuds HOT 3 CLOSED

[root@server1]# python3
Python 3.6.8 (default, Nov  5 2020, 18:03:20)
[GCC 8.3.1 20191121 (Red Hat 8.3.1-5.0.1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import cairo
>>> import cairo.parser
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'cairo.parser'
>>> cairo.version
'1.16.3'
>>> import cairosvg
>>> import cairosvg.parser
>>> from cairosvg import svg2svg
>>> svg2svg.__doc__="hola"
>>>

>>>

[root@server1]# python3
Python 3.6.8 (default, Nov 5 2020, 18:03:20)
[GCC 8.3.1 20191121 (Red Hat 8.3.1-5.0.1)] on linux
Type "help", "copyright", "credits" or "license" for more information.

from cairosvg import surface
from cairosvg import svg2svg
svg2svg.doc=surface.Surface.convert.doc.replace('the format for this class', 'SVG')
print(svg2svg.doc)
Convert an SVG document to SVG.

    Specify the input by passing one of these:

    :param bytestring: The SVG source as a byte-string.
    :param file_obj: A file-like object.
    :param url: A filename.

    Give some options:

    :param dpi: The ratio between 1 inch and 1 pixel.
    :param parent_width: The width of the parent container in pixels.
    :param parent_height: The height of the parent container in pixels.
    :param scale: The ouptut scaling factor.
    :param unsafe: A boolean allowing XML entities and very large files
                   (WARNING: vulnerable to XXE attacks and various DoS).

    Specifiy the output with:

    :param write_to: The filename of file-like object where to write the
                     output. If None or not provided, return a byte string.

    Only ``bytestring`` can be passed as a positional argument, other
    parameters are keyword-only.

[root@server1]# pip3 list
Package                 Version
----------------------- ---------
asgiref                 3.3.1
bcrypt                  3.2.0
bitarray                1.6.1
cairocffi               1.2.0
CairoSVG                2.5.1
certifi                 2020.12.5
cffi                    1.14.4
chardet                 4.0.0
cryptography            2.9.2
cssselect2              0.4.1
cycler                  0.10.0
defusedxml              0.6.0
Django                  3.1.5
dnspython               2.1.0
gpg                     1.13.1
html5lib                1.1
idna                    2.10
kiwisolver              1.3.1
lxml                    4.6.2
matplotlib              3.3.3
mod-wsgi                4.6.4
mysqlclient             2.0.3
numpy                   1.19.5
ovirt-engine-sdk-python 4.4.9
paramiko                2.7.2
Pillow                  8.1.0
pip                     20.3.3
ply                     3.9
pyasn1                  0.3.7
pyasn1-modules          0.1.5
pycairo                 1.16.3
pycparser               2.14
pycrypto                2.6.1
pycurl                  7.43.0.2
PyNaCl                  1.4.0
pyOpenSSL               19.1.0
pyparsing               2.4.7
Pyphen                  0.10.0
python-dateutil         2.6.1
python-ldap             3.1.0
python-memcached        1.58
pytz                    2020.5
requests                2.25.1
rpm                     4.14.3
setuptools              39.2.0
six                     1.11.0
sqlparse                0.4.1
tinycss2                1.1.0
urllib3                 1.26.2
WeasyPrint              52.2
webencodings            0.5.1
xml-marshaller          1.0.2