Update app_chat.py

app_chat.py

@@ -1,4 +1,25 @@
 
+import streamlit as st
+from controller import handle_submission
+# For Altair charts
+import altair as alt
+from PIL import Image
+from pydub import AudioSegment
+import IPython
+import soundfile as sf
+
+import pandas as pd  # If you're working with DataFrames
+import matplotlib.figure  # If you're using matplotlib figures
+import numpy as np
+
+# For Bokeh charts
+from bokeh.models import Plot
+
+# For Plotly charts
+import plotly.express as px
+
+# For Pydeck charts
+import pydeck as pdk
 
 def app_chat():