def has_pos_array(self):
		return self._pos != None
Check if an object is safely callable.  Per default a function is
dataset/ETHPy150Open networkdynamics/zenlib/src/zen/view.py/View.has_pos_array--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/sandbox.py/SandboxedEnvironment.is_safe_callable