add basic features to indicte if parameters are bad

1 files changed, 4 insertions, 1 deletions

diff --git a/api.py b/api.py
index 00c2733..41e361a 100644
--- a/api.py
+++ b/api.py
@@ -28,6 +28,10 @@ def fetch_chart_data(ticker, period='1y', interval='1d'):
     data_obj = r.json()
 
     # get the specific data we want
+    if 'timestamp' not in data_obj['chart']['result'][0]:
+        last_data = pull_last_from_file()
+        last_data['error'] = True
+        return last_data
     timestamps = data_obj['chart']['result'][0]['timestamp']
     close_prices = data_obj['chart']['result'][0]['indicators']['quote'][0]['close']
     
@@ -43,7 +47,6 @@ def fetch_chart_data(ticker, period='1y', interval='1d'):
     name = data_obj['chart']['result'][0]['meta']['longName']
 
     data = {'timestamps': timestamps, 'prices': close_prices, 'name': name, 'error': False}
-
     update_last_file(data)
     # save data to file in case necessary
     return data