Function find_best_architecture seems outdated

[bsolino]

After several changes in other parts of the code, it seems function find_best_architecture in find_architecture.py has fallen behind:

mcfly/mcfly/find_architecture.py

Line 276 in e636468

def find_best_architecture(X_train, y_train, X_val, y_val, verbose=True,

This hasn't failed any test yet, but it still generates warnings that are not trivial to solve.

So far what I've noticed is that it doesn't allow to select which network models to test, the function calls to modelgen without specifying them, using only the default.
Something that might be worth adding is a selection of models to test. This will also help the test suite, as sometimes there are warnings regarding the acura