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Bug summary
There appears to be a mix-up of arguments for pyplot.step.
x and y arguments get promoted to keyword arguments, but Axes.step wants them as positional arguments.
Code for reproduction
from pylab import *;step([1,2],[3,4],'g')Actual outcome
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/home/jgillis/miniconda3/envs/temp_env/lib/python3.6/site-packages/matplotlib/pyplot.py", line 2850, in step
return gca().step(x=x, y=y, *args, where=where, data=data, **kwargs)
File "..../lib/python3.6/site-packages/matplotlib/__init__.py", line 1786, in inner
return func(ax, *args, **kwargs)
TypeError: step() got multiple values for argument 'x'
Expected outcome
A plot.
Matplotlib version
- Matplotlib version: 3.0.0
- Matplotlib backend (
print(matplotlib.get_backend())): any of them - Python version: 3.6.5 (Installed with miniconda)
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