Add google sheets test fix

app.py

@@ -4,13 +4,13 @@ import pandas as pd
 from streamlit_gsheets import GSheetsConnection
 import os
 
-# typestring = os.environ['type']
-# st.write(f"type :{typestring}")
+# example of secret access
+spreadsheet = os.environ['spreadsheet']
 
 # Create a connection object.
 conn = st.connection("gsheets", type=GSheetsConnection)
 
-df = conn.read()
+df = conn.read(spreadsheet=spreadsheet, usecols=[0, 1])
 
 # Print results.
 for row in df.itertuples():

requirements.txt

@@ -1,3 +1,4 @@
-streamlit
-st-gsheets-connection
-pandas
+streamlit # this worked, but example gave one below: st-gsheets-connection
+pandas
+git+https://github.com/streamlit/gsheets-connection
+pandasql  # this is for example/st_app.py only