New issue 291: __init__() got an unexpected keyword argument 'encoding'
https://bitbucket.org/blais/beancount/issues/291/__init__-got-an-unexpected-keyword
Martin Michlmayr:
With current hg I get:
```
$ pip3 install .
Processing /home/tbm/scratch/cvs/beancount
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-w0vdqa0_-build/setup.py", line 170, in <module>
shell=False, encoding='utf8').split()
File "/usr/lib/python3.5/subprocess.py", line 316, in check_output
**kwargs).stdout
File "/usr/lib/python3.5/subprocess.py", line 383, in run
with Popen(*popenargs, **kwargs) as process:
TypeError: __init__() got an unexpected keyword argument 'encoding'
```