Update app.py

app.py

@@ -10,16 +10,17 @@ def get_database_session(_sessionmaker, url):
      # Create a database connection object that points to the URL.
      return connection
 
-s1 = get_database_session(create_sessionmaker(), st.session_state.qp))
+s1 = get_database_session(create_sessionmaker(), st.session_state.qp)
 # Actually executes the function, since this is the first time it was
 # encountered.
 
-s2 = get_database_session(create_sessionmaker(), st.session_state.qp))
+s2 = get_database_session(create_sessionmaker(), st.session_state.qp)
 # Does not execute the function. Instead, returns its previously computed
 # value - even though the _sessionmaker parameter was different
 # in both calls.
 
-
+def create_sessionmaker():
+    a=a+1
 
 # callback to update query param on selectbox change
 def update_params():