koalas itertuples wrapper for iterrows

koalas.py

# koalas don't support iterrows. so we convert iterrows() to itertuples() format
if internal_itertuples:
  Row = namedtuple('Row', df.columns)
  def convert_iterrow_to_itertuples(df):
    for row in df.iterrows():
      yield Row(*row[1])

      itertuples = convert_iterrow_to_itertuples(df)

else:
  itertuples = df.itertuples()
  
  
for i in intertuples:
  print(i)