Update trainer.py

trainer.py

@@ -3,6 +3,16 @@ BERT-Thetis Colab Training Script
 ----------------------------------
 Pretrain BERT-Thetis on WikiText-103 with Masked Language Modeling.
 
+In a cell above this in colab run this install here; and then begin the training.
+
+try:
+  !pip uninstall -qy geometricvocab
+except:
+  pass
+
+!pip install -q git+https://github.com/AbstractEyes/lattice_vocabulary.git
+
+
 Designed for Google Colab with:
 - Easy setup and installation
 - HuggingFace Hub integration