Update src/streamlit_app.py

src/streamlit_app.py

@@ -18,6 +18,7 @@ st.set_page_config(
     layout="wide",
     page_icon="🧠"
 )
+
 @st.cache_data
 def load_data():
     paths = [
@@ -218,13 +219,19 @@ with st.sidebar:
 
 # Individual Analysis
 st.subheader("👤 Individual Student Analysis")
-selected_user = st.selectbox(
+
+# Fixed selectbox - use index-based selection
+student_names = list(df["Full Name"].unique())
+student_options = ["Select a student..."] + student_names
+
+selected_index = st.selectbox(
     "Choose a student:",
-    options=[""] + list(df["Full Name"].unique()),
-    format_func=lambda x: "Select a student..." if x == "" else x
+    options=range(len(student_options)),
+    format_func=lambda x: student_options[x]
 )
 
-if selected_user:
+if selected_index > 0:  # If not the placeholder option
+    selected_user = student_names[selected_index - 1]
     user_data = df[df["Full Name"] == selected_user].iloc[0]
     
     col1, col2 = st.columns(2)