Upload 4 files

apt.txt

@@ -0,0 +1 @@
+fonts-nanum

incheon_README.md

@@ -0,0 +1,13 @@
+---
+title: Incheon Citizen Attitude/Perception/Feeling Simulator
+emoji: 🏙️
+colorFrom: blue
+colorTo: gray
+sdk: streamlit
+sdk_version: 1.31.0
+app_file: incheon_simulator_app.py
+pinned: false
+---
+
+# Incheon Citizen Attitude/Perception/Feeling Simulator
+This application simulates how Incheon citizens might react (attitude, perception, or feelings) to various issues, questions, or policies using the Nemotron-Personas-Korea dataset and Gemini AI. It allows for testing two different inputs on a single screen.

incheon_simulator_app.py

@@ -5,9 +5,12 @@ st.set_page_config(page_title="인천 시민 정책 AI 시뮬레이터", layout=
 
 import pandas as pd
 import numpy as np
-from datasets import load_dataset
+# Set matplotlib backend BEFORE importing pyplot
+import matplotlib
+matplotlib.use('Agg')
 import matplotlib.pyplot as plt
 import matplotlib.font_manager as fm
+from datasets import load_dataset
 import os
 import google.generativeai as genai
 import re # Import re for regex operations
@@ -15,11 +18,9 @@ import re # Import re for regex operations
 # --- Font and Environment Setup ---
 @st.cache_resource
 def setup_environment():
-    # Check if font is already installed to prevent re-installation on rerun
-    font_path = '/usr/share/fonts/truetype/nanum/NanumBarunGothic.ttf'
-    if not os.path.exists(font_path):
-        os.system('sudo apt-get install -y fonts-nanum')
-        fm._rebuild()
+    # The font will be installed via apt.txt on Hugging Face Spaces.
+    # We only need to rebuild the font cache and set the font for matplotlib here.
+    fm._rebuild()
     try:
         plt.rc('font', family='NanumBarunGothic')
     except Exception as e: