Fixed #159

jlu-ilr-hydro · Aug 7, 2024 · 8a53004 · 8a53004
1 parent 647f114
commit 8a53004
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/odmf/db/transformed_timeseries.py b/odmf/db/transformed_timeseries.py
@@ -32,7 +32,7 @@ def size(self):
 
     def asseries(self, start=None, end=None):
         datasets = self.sources
-        data = pd.Series()
+        data = []
         if self.expression.startswith('plugin.transformation'):
             # This is a plugin transformation
             # import transformation module
@@ -42,7 +42,8 @@ def asseries(self, start=None, end=None):
                 v = src.asseries(start, end)
                 v = self.transform(v)
                 data = data.append(v)
-            data = data.sort_index()
+
+            data = pd.concat(data).sort_index()
         return data
 
     def updatetime(self):