Attempting to render plot

app.py

@@ -1,8 +1,17 @@
 from platform import python_version
+from transformers import AutoModelForCausalLM, AutoTokenizer
+from tuned_lens.nn import TunedLens
+from tuned_lens.plotting import plot_lens
+
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!" + "Using python version: " + python_version() + "."
+LENS_PATH = '<PATH TO LENS>'
+
+def plot_lens_outputs(text):
+    model = AutoModelForCausalLM.from_pretrained('gpt2')
+    tokenizer = AutoTokenizer.from_pretrained('gpt2')
+    #lens = TunedLens.load(LENS_PATH)
+    return gr.outputs.Plot(plot_lens(model, tokenizer, text=text))
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+iface = gr.Interface(fn=plot_lens_outputs, inputs="text", outputs=gr.outputs.Plot(type="auto"))
 iface.launch()