Update phishing_email_detection_gpt2.py

Fix issue: Max sequence length supported by tokenizer ...

Author: david-thrower

phishing_email_detection_gpt2.py

@@ -272,7 +272,7 @@ def call(self, x):
 # GPT2 configurables
 
 # Optimal for accuracy thus far:
-max_seq_length = 1024 * 2
+max_seq_length = 1024
 
 inp = tf.keras.layers.Input(shape=(), dtype=tf.string)
 gp2_tokenizer = TokenizerLayer(max_seq_length=max_seq_length)