del session_state form_upload after use

pages/quiz.py

@@ -9,6 +9,10 @@ from pages.utils import *
 
 def app():
 
+    '''delete form_upload to run quiz maker on return to page'''
+    if "form_upload" in st.session_state.keys():
+        del st.session_state.form_upload
+
     DATABASE_NAME = 'quiz_maker.db'
     BASE_DIR = os.path.dirname(os.path.abspath(__file__))
     DATABASE = os.path.join(BASE_DIR, DATABASE_NAME)

pages/view.py

@@ -10,6 +10,8 @@ def app():
     '''delete form_submit to run quiz maker on return to page'''
     if "form_submit" in st.session_state.keys():
         del st.session_state.form_submit
+    if "form_upload" in st.session_state.keys():
+        del st.session_state.form_upload
     
     st.markdown("## View Data")