One cannot install Clade with default encoding ascii

[eunovm]

Complete output from command python setup.py egg_info:
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/pip-build-eymrq0eh/ldv-clade/setup.py", line 64, in <module>
    long_description=open("README.rst").read(),
  File "/usr/lib/python3.5/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 10324: ordinal not in range(128)