pep8 corrections
pep8 corrections

ShawnMurd/MetPy,jrleeman/MetPy,jrleeman/MetPy,Unidata/MetPy,Unidata/MetPy,ahill818/MetPy,deeplycloudy/MetPy,ahaberlie/MetPy,dopplershift/MetPy,ahaberlie/MetPy,dopplershift/MetPy