Traceback (most recent call last):


 "<string>", line 1, in <module>


 "/Users/tos/.pyenv/versions/tmp/lib/python3.6/site-packages/numpy/core/numeric.py", line 1469, in roll

if -a.ndim <= ax < a.ndim:
TypeError: '<=' not supported between instances of 'int' and 'numpy.str_'

Traceback (most recent call last):


 "/home/aistudio/PaddleDetection-master/ppdet/data/reader.py", line 46, in __call__

data = f(data, ctx)
TypeError: 'dict' object is not callable
