pip-install-ghxuqwgs/numpy_78e94bf2b6094bf9a1f3d92042f9bf46/doc/source/f2py/extcallback_session.dat

>>> import pfromf
>>> pfromf.f2()
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
pfromf.error: Callback fpy not defined (as an argument or module pfromf attribute).

>>> def f(): print "python f"
... 
>>> pfromf.fpy = f
>>> pfromf.f2()
 in f2, calling f2py..
python f
>>> pfromf.f1()
 in f1, calling f2 twice..
 in f2, calling f2py..
python f
 in f2, calling f2py..
python f
>>>