Update app.py

app.py

@@ -656,7 +656,8 @@ with tab2:
               
         slate_var1 = 'User'
         site_var1 = 'Draftkings'
-        raw_baselines = proj_dataframe[['Player', 'Salary', 'Position', 'Team', 'Opp', 'Median', 'Own']]
+        if proj_dataframe is not None:
+            raw_baselines = proj_dataframe[['Player', 'Salary', 'Position', 'Team', 'Opp', 'Median', 'Own']]
         st.info("If you are uploading a portfolio, note that there is an adjustments to projections and deviation mapping to prevent 'Projection Bias' and create a fair simulation")
         insert_port1 = st.selectbox("Are you uploading a portfolio?", ('No', 'Yes'), key='insert_port1')
         if insert_port1 == 'Yes':