Update app.py

app.py

@@ -6,7 +6,7 @@ os.system("pip install pdfminer.six rank_bm25 torch transformers")
 from gradio.mix import Series
 #import re
 from rank_bm25 import BM25Okapi
-#import string 
+import string 
 import torch
 from transformers import pipeline
 import pdfminer
@@ -120,7 +120,7 @@ iface = gr.Interface(
    inputs = [gr.inputs.File(label="input pdf file"), gr.inputs.Textbox(label="Question:")],
    outputs = [gr.outputs.HTML(label="Top 1 answer"), gr.outputs.HTML(label="Top 2 answer")],
    examples=examples,
-   theme = "darkhuggingface",
+   theme = "grass",
    title = "Question Answering on annual reports",
    description = "Navigate long annual reports by using Machine learning to answer your questions. \nSimply upload any annual report pdf you are interested in and ask model a question OR load an example from below."
    )