Fixes to README and release instructions

Author: adrhill

README.md

@@ -134,12 +134,11 @@ import tensorflow.keras.applications.vgg16 as vgg16
 tf.compat.v1.disable_eager_execution()
 
 import innvestigate
-import innvestigate.utils
 
 # Get model
 model, preprocess = vgg16.VGG16(), vgg16.preprocess_input
 # Strip softmax layer
-model = innvestigate.utils.model_wo_softmax(model)
+model = innvestigate.model_wo_softmax(model)
 
 # Create analyzer
 analyzer = innvestigate.create_analyzer("deep_taylor", model)

todo_before_release.md

@@ -9,16 +9,18 @@
   poetry run sphinx-build docs/source docs/_build
   ```
 - Update release in `VERSION.md`, `setup.py` and button of `README.md`.
-- Make release
-- Push master and develop branch, and tags
-- Switch to master branch
 - Upload new packages to test server:
   ```bash
   poetry build
   poetry config repositories.testpypi https://test.pypi.org/legacy/
   poetry publish -r testpypi
   ```
-- Check that everything works
+- Check that the installation from the test server works, e.g. via 
+  ```bash
+  pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple innvestigate
+  ```
+- Tag commit according to [Semantic Versioning](https://semver.org) guidelines, e.g. `2.0.0`
+- Go to releases tab on GitHub and "Create a new release"
 - Upload new packages to real server:
   ```bash
   poetry publish