TypeError in coatingthermal with old version of numpy

jameson.rollins@cr70:~ 0$ gwinc Aplus
WARNING: inspiral_range package not available, figure of merit will not be calculated.
Traceback (most recent call last):
  File "/bin/gwinc", line 11, in <module>
    load_entry_point('gwinc==0.1.1', 'console_scripts', 'gwinc')()
  File "/usr/lib/python3.6/site-packages/gwinc/__main__.py", line 233, in main
    trace = budget.run(freq=freq)
  File "/usr/lib/python3.6/site-packages/gwinc/nb.py", line 282, in run
    return self.calc_trace(_precomp=self._precomp)
  File "/usr/lib/python3.6/site-packages/gwinc/nb.py", line 543, in calc_trace
    _precomp=_precomp,
  File "/usr/lib/python3.6/site-packages/gwinc/nb.py", line 514, in calc_noise
    _precomp=_precomp,
  File "/usr/lib/python3.6/site-packages/gwinc/nb.py", line 240, in calc_trace
    total = self._calc(_precomp) * calibration
  File "/usr/lib/python3.6/site-packages/gwinc/nb.py", line 127, in _calc
    return self.calc(**pcmap)
  File "/usr/lib/python3.6/site-packages/gwinc/ifo/noises.py", line 502, in calc
    self.freq, ITM, wavelength, cavity.wBeam_ITM
  File "/usr/lib/python3.6/site-packages/gwinc/noise/coatingthermal.py", line 137, in coating_brownian
    rho, dLogRho_dPhik, dLogRho_dRk, r = getCoatReflAndDer(nN, nsub, dOpt)
  File "/usr/lib/python3.6/site-packages/gwinc/noise/coatingthermal.py", line 938, in getCoatReflAndDer
    phiNmkm1 = np.flip(Phi)             # phi_{N-k-1}
TypeError: flip() missing 1 required positional argument: 'axis'
jameson.rollins@cr70:~ 1$ python3 -c 'import numpy; print(numpy.__version__)'
1.12.1
jameson.rollins@cr70:~/src/pygwinc [master] 0$ 

Apparently the 'axis' argument was required in versions older than 1.15.