import numpy
import pandas

numpy.random.seed(1234)

frame = pandas.DataFrame(
    data=numpy.random.random((5, 3))
)
print(
    frame
)
# Works
print(
    frame.agg(['mean', 'std'])
)
# Expected output
print(
    frame.transpose().agg(['mean', 'std']).transpose()
)
# Does not work as expected
print(
    frame.agg(['mean', 'std'], axis=1)
)

Traceback (most recent call last):
  File "/home/lafras/tmp/buggy.py", line 13, in <module>
    frame.agg(['mean', 'std'], axis=1)
  File "/home/lafras/.local/lib/python3.5/site-packages/pandas/core/frame.py", line 4154, in aggregate
    return self.apply(func, axis=axis, args=args, **kwargs)
  File "/home/lafras/.local/lib/python3.5/site-packages/pandas/core/frame.py", line 4262, in apply
    ignore_failures=ignore_failures)
  File "/home/lafras/.local/lib/python3.5/site-packages/pandas/core/frame.py", line 4358, in _apply_standard
    results[i] = func(v)
TypeError: ("'list' object is not callable", 'occurred at index 0')