adding rayan prompt

app.py

@@ -502,12 +502,12 @@ if st.session_state.get('button') == True:
             prefrence_variables=["charcter counts: "+str(x)+", Target Rate: "+str(y) for x,y in zip(chars,sel_var_values)]
             prefrence_variables=['']+prefrence_variables
             preference = st.selectbox(
-                        'Please select your preferences',
+                        'Please select your preferences for target metric',
                         prefrence_variables,
                         index=0
                     )
             options = st.multiselect(
-                                'Select propmts you want to use to generate your email:',
+                                'Select prompts you want to use to generate your email:',
                                 ["Convey key message in fewer words",
                                 "Rephrase sentences to be more concise",
                                 "Remove unnecessary details/repetitions",
@@ -519,7 +519,7 @@ if st.session_state.get('button') == True:
                                 None)
             
             if st.button('Generate AI Recommended Email'):
-                if(preference is None and options is None):
+                if(preference=='' and options is None):
                     st.error('Please select your preferences.')
                 else:
                     stats_col1, stats_col2, stats_col3, stats_col4 = st.columns([1, 1, 1, 1])
@@ -539,7 +539,8 @@ if st.session_state.get('button') == True:
                                 st.markdown('{}'.format(ai_generated_email),unsafe_allow_html=True)
                     else:
                         email_body_opt=email_body
-                        if(preference):
+                        if(preference is not ''):
+                            st.markdown('##### preference is selected')
                             ai_generated_email=generate_example_email_with_context(email_body, campaign, industry, target, sorted_chars_out, preference)
                             email_body_opt=ai_generated_email
                         optimized_email, optimized_char_cnt, optimized_url_cnt = optimize_email_prompt_multi(email_body_opt, options)