Fix minimum input length

app.py

@@ -33,8 +33,8 @@ def train(message: str, epochs: int, learning_rate: float, emb_size: int, inp_le
         attn_layer = MultiHeadAttention(num_heads=4, key_dim=128)(emb_layer, emb_layer, emb_layer)
         noise_layer = GaussianNoise(0.1)(attn_layer)
         conv1_layer = Conv1D(64, 8, padding='same', activation='relu', strides=1, input_shape=(64, 128))(noise_layer)
-        conv2_layer = Conv1D(16, 4, padding='valid', activation='relu', strides=1)(conv1_layer)
-        conv3_layer = Conv1D(8, 2, padding='valid', activation='relu', strides=1)(conv2_layer)
+        conv2_layer = Conv1D(16, 4, padding='same', activation='relu', strides=1)(conv1_layer)
+        conv3_layer = Conv1D(8, 2, padding='same', activation='relu', strides=1)(conv2_layer)
         flatten_layer = Flatten()(conv3_layer)
         attn_flatten_layer = Flatten()(attn_layer)
         conv1_flatten_layer = Flatten()(conv1_layer)