message: Fixed bug in code within programmer's guide markdown docs for Variables. Had a call to {var}.run() method, but Variable instances have no run() method, switched to eval() instead.
diff: @@ -205,7 +205,7 @@ methods:
  v = tf.get_variable("v", shape=(), initializer=tf.zeros_initializer())
  assignment = v.assign_add(1)
  tf.global_variables_initializer().run()
  -assignment.run()
  +assignment.eval()
  ```
  Most TensorFlow optimizers have specialized ops that efficiently update the
  