diff --git a/myems-api/excelexporters/shopfloorenergyitem.py b/myems-api/excelexporters/shopfloorenergyitem.py
index 908c527c..7091c7c4 100644
--- a/myems-api/excelexporters/shopfloorenergyitem.py
+++ b/myems-api/excelexporters/shopfloorenergyitem.py
@@ -667,4 +667,4 @@ def timestamps_data_all_equal_0(lists):
         if len(value) > 0:
             return False
 
-    return True
\ No newline at end of file
+    return True
diff --git a/myems-api/excelexporters/storeload.py b/myems-api/excelexporters/storeload.py
index eeac2450..b997d04c 100644
--- a/myems-api/excelexporters/storeload.py
+++ b/myems-api/excelexporters/storeload.py
@@ -629,4 +629,4 @@ def timestamps_data_all_equal_0(lists):
         if len(value) > 0:
             return False
 
-    return True
\ No newline at end of file
+    return True
diff --git a/myems-api/excelexporters/storestatistics.py b/myems-api/excelexporters/storestatistics.py
index ee3324de..f8a32203 100644
--- a/myems-api/excelexporters/storestatistics.py
+++ b/myems-api/excelexporters/storestatistics.py
@@ -737,4 +737,4 @@ def timestamps_data_all_equal_0(lists):
         if len(value) > 0:
             return False
 
-    return True
\ No newline at end of file
+    return True