import tensorflow as tf

			grads, self.grad_norms = tf.clip_by_global_norm(self.gradients, GRAD_CLIP)

			# Apply local gradients to global network
			global_vars        = tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES, GLOBAL_NET_SCOPE+'/qvalues')
			self.apply_grads   = trainer.apply_gradients(zip(grads, global_vars))

