fixed renaming of SheetReport as ReportSheet

Author: alixdamman

larray/inout/xw_reporting.py

@@ -751,7 +751,7 @@ def to_excel(self, filepath, data_sheet_name='__data__', overwrite=True):
                 # reset
                 self.sheets.clear()
 else:
-    class SheetReport(AbstractReportSheet):
+    class ReportSheet(AbstractReportSheet):
         def __init__(self):
             raise Exception("SheetReport class cannot be instantiated because xlwings is not installed")