Update app.py

app.py

@@ -90,7 +90,14 @@ def add_new_subsection(section_title):
 # Streamlit UI setup
 st.sidebar.title('Presentation Settings')
 presentation_type = st.sidebar.selectbox('Select Presentation Type', list(templates.keys()))
-selected_template = templates[presentation_type]
+
+# Reset sections when a new presentation type is selected
+if 'last_presentation_type' not in st.session_state or st.session_state.last_presentation_type != presentation_type:
+    st.session_state.sections = OrderedDict()
+    st.session_state.section_counter = 1  # Counter for unique section names
+    for section in templates[presentation_type]:
+        st.session_state.sections[section['title']] = OrderedDict((content, []) for content in section['content'])
+    st.session_state.last_presentation_type = presentation_type  # Update the last selected type
 
 # Title slide configuration with expander
 with st.sidebar.expander("Title Slide Options", expanded=False):
@@ -101,13 +108,6 @@ with st.sidebar.expander("Title Slide Options", expanded=False):
         'date': st.text_input("Date", "Presentation Date")
     }
 
-# Maintain session state for dynamically added sections
-if 'sections' not in st.session_state:
-    st.session_state.sections = OrderedDict()
-    st.session_state.section_counter = 1  # Counter for unique section names
-    for section in selected_template:
-        st.session_state.sections[section['title']] = OrderedDict((content, []) for content in section['content'])
-
 # Option to add more sections dynamically
 if st.sidebar.button("Add More Section"):
     add_new_section(st.session_state.section_counter)