Update app.py

app.py

@@ -146,8 +146,8 @@ def generate_streamlit_app_code(app_title, app_subtitle, side_panel_title, analy
 import pandas as pd
 import seaborn as sns
 import plotly.express as px
+import matplotlib.pyplot as plt
 
-{requirements}
 
 def main():
     st.title("{app_title}")