update app.py

app.py

@@ -34,11 +34,18 @@ st.write(
     """,
     unsafe_allow_html=True,
 )
+# Initialize session state for storing results if not already done
+if 'results' not in st.session_state:
+    st.session_state.results = []
+if 'last_params' not in st.session_state:
+    st.session_state.last_params = {}
+if 'map_data' not in st.session_state:
+    st.session_state.map_data = None  # Initialize map_data
 
-# Authenticate and initialize Earth Engine
+# Initialize Earth Engine with secret credentials
 earthengine_credentials = os.environ.get("EE_Authentication")
 
-# Initialize Earth Engine with secret credentials
+# Initialize Earth Engine with credentials
 os.makedirs(os.path.expanduser("~/.config/earthengine/"), exist_ok=True)
 with open(os.path.expanduser("~/.config/earthengine/credentials"), "w") as f:
     f.write(earthengine_credentials)
@@ -137,13 +144,13 @@ end_date = st.date_input("End Date", value=pd.to_datetime('2020-12-31'))
 start_date_str = start_date.strftime('%Y-%m-%d')
 end_date_str = end_date.strftime('%Y-%m-%d')
 
-# Initialize session state for storing results if not already done
-if 'results' not in st.session_state:
-    st.session_state.results = []
-if 'last_params' not in st.session_state:
-    st.session_state.last_params = {}
-if 'map_data' not in st.session_state:
-    st.session_state.map_data = None  # Initialize map_data
+# # Initialize session state for storing results if not already done
+# if 'results' not in st.session_state:
+#     st.session_state.results = []
+# if 'last_params' not in st.session_state:
+#     st.session_state.last_params = {}
+# if 'map_data' not in st.session_state:
+#     st.session_state.map_data = None  # Initialize map_data
 
 # Function to check if parameters have changed
 def parameters_changed():