Fix error on 'value' key existing in field

pages/form.py

@@ -43,10 +43,10 @@ def display_field(field):
         value = st.number_input(field['label'], key=field['key'])
         field['value'] = value
     elif field['nature'] == 'text_area':
-        value = st.text_area(field['label'], value=field['value'] if field['value'] else "", key=field['key'])
+        value = st.text_area(field['label'], value=field['value'] if 'value' in field else "", key=field['key'])
         field['value'] = value
     else:
-        value = st.text_input(label=field['label'], value=field['value'] if field['value'] else "")
+        value = st.text_input(label=field['label'], value=field['value'] if 'value' in field else "")
         field['value'] = value
 
 page()