def isnumeric(ds):
    ds = launder(ds)

    try:
        npdtype = to_numpy_dtype(ds)
    except TypeError:
        return False
    else:
        return isinstance(ds, Unit) and np.issubdtype(npdtype, np.number)
Initialize.
dataset/ETHPy150Open blaze/datashape/datashape/predicates.py/isnumeric--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/ext/cloudstorage/cloudstorage_stub.py/CloudStorageStub.__init__