Error compiling Cython file:
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...
    cdef double r_length_2
    # namespace for function stimulus
    global _namespace_timedarray_values
    global _namespace_num_timedarray_values
    cdef _numpy.ndarray[double, ndim=1, mode='c'] _buf__timedarray_values = _namespace['_timedarray_values']
    _namespace_timedarray_values = <double *> _buf__timedarray_values.data
                                  ^
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/home/sschmitt/.cython/brian_extensions/_cython_magic_b1a047c5d1aa666812a55eee5c220f86.pyx:239:35: Cannot convert 'double *' to Python object