Updates to tutorial and run post codacy changes

tutorials/tutorial8/tutorial.py

@@ -16,7 +16,7 @@
 # Let's start with the necessary imports.
 # It's important to note the minimum PINA version to run this tutorial is the `0.1`.
 
-# In[ ]:
+# In[1]:
 
 
 ## routine needed to run the notebook on Google Colab
@@ -172,7 +172,10 @@ trainer = Trainer(
     max_epochs=1000,
     batch_size=100,
     log_every_n_steps=5,
-    accelerator='cpu')
+    accelerator='cpu',
+    train_size=1.0,
+    val_size=0.0,
+    test_size=0.0)
 trainer.train()