title: Can't import tensorflow.keras in VS Code
body: <p>I'm running into problems using tensorflow 2 in VS Code. The code executes without a problem, the errors are just related to pylint in VS Code. 
  For example this import <code>from tensorflow.keras.layers import Dense</code> gives a warning "Unable to import 'tensorflow.keras.layers'pylint(import-error)". Importing tensorflow and using <code>tf.keras.layers.Dense</code> does not produce an error. I'm just using a global python environment (3.7.2) on Windows 10, tensorflow is installed via Pip. </p>