Fix timestamp generation for "yesterday" metars

joanpc · Oct 31, 2016 · ba2c51d · ba2c51d
1 parent 8168278
commit ba2c51d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/noaweather/metar.py b/noaweather/metar.py
@@ -129,7 +129,7 @@ def updateMetar(self, db, path):
         INSBUF = cursor.arraysize
 
         today_prefix = datetime.utcnow().strftime('%Y%m')
-        yesterday_prefix = (datetime.utcnow() - timedelta(days=-1)).strftime('%Y%m')
+        yesterday_prefix = (datetime.utcnow() + timedelta(days=-1)).strftime('%Y%m')
 
         today = datetime.utcnow().strftime('%d')