imshow command is printing a bunch of junk

Somehow the imshow command is now printing a bunch of extra text.

This snippet:

```
print("version:", uplt.__version__)
_bwim = np.arange(400).reshape(20, 20)
fig, axs = uplt.subplots()
axs.imshow(_bwim, cmap="grey");
```

produces:

```
version: 1.61.0
0.0 0
0.0
0.0
0.0
0
0.2 1
0.2
0.2
0.2
0.2
0.4 2
0.4
0.4
0.4
0.4
0.6000000000000001 3
0.6
0.6
0.6
0.6
0.8 4
0.8
0.8
0.8
0.8
...
```