UnicodeDecodeError while installing Evograd from source

[djole]

Hi,
I'm trying to install Evograd from source by following the README instructions.
The error I get is:

ERROR: Command errored out with exit status 1:
 command: /Users/djgr/code/modular_rl/.virtual/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/Users/djgr/code/EvoGrad/setup.py'"'"'; __file__='"'"'/Users/djgr/code/EvoGrad/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info
     cwd: /Users/djgr/code/EvoGrad/
Complete output (7 lines):
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/djgr/code/EvoGrad/setup.py", line 14, in <module>
    long_description = fh.read()
  File "/Users/djgr/code/modular_rl/.virtual/bin/../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 0xe2 in position 1335: ordinal not in range(128)
----------------------------------------

ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

Pip version is 19.2.2, and Python is 3.6.

Thanks a lot.