Matplotlib Chart not Animating / Pandas Data Issue-CodePudding

The

UPDATE:

It appears to be this line of pandas code that might be the culprit:

p = plt.plot(df1[:i].index, df1[:i].values)

The df1[:i].index and .values are empty when I insert a breakpoint to print them out.

CodePudding user response：

Actually, your code is fine. I can successfully run it as a script without making any changes. Here's my environment:

python 3.8.5 pandas 1.1.3 matplotlib 3.3.2

But I suspect, that you are working in Jupyter-Notebook. In this case you have to make some changes. First, set up matplotlib to work interactively in the notebook. You can use ether notebook or nbAgg as a backend (see The builtin backends for more info):

%matplotlib notebook

Next, deactivate the last line of code:

#plt.show() <- comment or delete this line

Should work. Take into account that I use Jupyter-Notebook version 6.1.4. If the problem persists, update the description to reflect your environment.

P.S. Try ipympl as an alternative backend.