Fixed bug in retrieve_data.py

BritishGeologicalSurvey · Mar 10, 2022 · 4e5f202 · 4e5f202
1 parent 1f4d571
commit 4e5f202
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/weather/retrieve_data.py b/weather/retrieve_data.py
@@ -594,15 +594,16 @@ def datespan(startDate, endDate, delta=timedelta(days=1)):
                 slat_sources.append(slat_source)
             ifcst = ifcst + 1
         ifcst = 0
-    try:
-        pool = ThreadingPool(len(wtfiles))
-        pool.map(wtfile_download, urls, wtfiles)
-    except:
-        print('No new weather data downloaded')
-        return False
+    if len(wtfiles) > 0:
+        try:
+            pool = ThreadingPool(len(wtfiles))
+            pool.map(wtfile_download, urls, wtfiles)
+        except:
+            print('No new weather data downloaded')
+            return False
     if len(wtfiles) > 0:
         pool_1 = ThreadingPool(len(wtfiles))
         pool_1.map(elaborate_wtfiles, wtfiles, wtfiles_int, wtfiles_prof, abs_validities, zooms, lon_corners,
                    lat_corners, slon_sources, slat_sources)
 
-    return (True)
+    return True