install SungrowClient failes

[hermx]

I did run at:

/SunGather/SunGather/tmp$

python3 -m pip install SungrowClient-0.1.0.tar.gz
Processing ./SungrowClient-0.1.0.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-_q1qgdvh-build/setup.py", line 6, in
long_description = fh.read()
File "/usr/lib/python3.6/encodings/ascii.py", line 26, in decode
return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 419: ordinal not in range(128)

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-_q1qgdvh-build/

import@importer:~/SunGather/SunGather/tmp$ python3 --version
Python 3.6.9

Don'nt know how to fix.