Dirt installation and test errors

[mwang259]

hey,guys! my computer is Ubuntu 18.04. the first is my Installed version before run: pip install -e .

the second and third pictures are versions after run: pip install -e .
this command always change tensorflow-gpu from 1.13 to 2.6 so that causes tensorflow version is not match, I dont know why, is there anyone could help me?

Besides, when I run pip install -e . there is a probelm below, how to solve it? Looking forward to your answers.

Plus, I install the dirt and run tests/square_test.py, it shows that(the picture below): failed: 16384 pixels disagree. what is that mean? Has anyone solved this problem yet? Looking forward to your answers, thanks guys.