Fix heat capacity test

Add flag to control histogram printing in PT.
Should fix failling heat capacity test.
OK, I was not sure where exactly the rule with spaces around operators
applied.
I will change it back and have a look at the rules again.

On 16 September 2014 10:28, Jacob Stevenson <notifications@github.com>
wrote:

> In mcpele/parallel_tempering/mpi_ptmc.py:
>
> > @@ -36,12 +36,13 @@ class MPI_PT_RLhandshake(_MPI_Parallel_Tempering):
> >      neighbours with geometrically distributed temperatures.
> >      *pfreq: printing frequency
> >      """
> > -    def __init__(self, mcrunner, Tmax, Tmin, max_ptiter=10, pfreq=1, skip=0, base_directory=None, verbose=False):
> > -        super(MPI_PT_RLhandshake,self).__init__(mcrunner, Tmax, Tmin, max_ptiter, pfreq=pfreq, skip=skip, base_directory=base_directory, verbose=verbose)
> > +    def __init__(self, mcrunner, Tmax, Tmin, max_ptiter = 10, pfreq = 1, skip = 0, base_directory = None, verbose = False, suppress_histogram = True):
>
> why did you change this, it was correct before. According to PEP8
>
> Don't use spaces around the = sign when used to indicate a keyword
> argument or a default parameter value.
>
> http://legacy.python.org/dev/peps/pep-0008/
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/pele-python/mcpele/pull/35/files#r17591128>.
>