change nan handling

nba_tracking_data_15_16.py

@@ -54,6 +54,8 @@ for game in items[0:2]:
   _URLS[name] = _URL + "/" + name + ".7z"
 
 def home_away_event_conversion(number):
+    if number.item().isnan():
+        return None
     if int(number.item()) == 4:
         return "home"
     elif int(number.item()) == 5:
@@ -256,6 +258,8 @@ class NbaTracking(datasets.GeneratorBasedBuilder):
                             ]
                         } for moment in event["moments"]
                     ]
+
+                    moment_id += 1
                                 
                     yield moment_id, {
                         "gameid": game_id,