rename session to f1_session to avoid conflict

app.py

@@ -30,10 +30,10 @@ def server(input, output, session):
     def get_data():
         
 
-        session = ff1.get_session(2023, input.track, 'R')
-        session.load()
+        f1_session = ff1.get_session(2023, input.track, 'R')
+        f1_session.load()
 
-        lap = session.laps.pick_fastest()
+        lap = f1_session.laps.pick_fastest()
         tel = lap.get_telemetry()
 
         #converting data to numpy data tables
@@ -65,7 +65,7 @@ def server(input, output, session):
 
         ##title = plt.suptitle(
         ##        f"Fastest Lap Gear Shift Visualization\n"
-        ##        f"{lap['Driver']} - {session.event['EventName']} {session.event.year}"
+        ##        f"{lap['Driver']} - {f1_session.event['EventName']} {f1_session.event.year}"
         ##        )
 
         cbar = plt.colorbar(mappable=lc_comp, label="Gear", boundaries=np.arange(1, 10))