fix panda errors

 * fix AttributeError: 'Series' object has no attribute 'iteritems'
   and typo in numpy.isscalar

Author: mkovalua

mfr/extensions/tabular/libs/panda_tools.py

@@ -64,7 +64,7 @@ def data_from_dataframe(dataframe):
         data_row = {}
         for name, value in frame_row.items():
             try:
-                data_row[name] = numpy.asscalar(value)
+                data_row[name] = numpy.isscalar(value)
             except AttributeError:
                 data_row[name] = value
         data.append(data_row)