[BUG] environment_setup.sh continue to run even if conda env is not created

[Taiki Sakamoto]

Description

environment_setup.sh failed to create conda environment but continue to run pip install

$ ./tools/environment_setup.sh                                                                                                    
./tools/environment_setup.sh: line 6: conda: command not found
./tools/environment_setup.sh: line 9: conda: command not found
./tools/environment_setup.sh: line 12: conda: command not found
./tools/environment_setup.sh: line 12: conda: command not found
Obtaining file:///Users/sambaiz/microsoft/forecasting/fclib
Requirement already satisfied: pandas==0.23.4 in /usr/local/lib/python3.7/site-packages (from fclib==0.0.1) (0.23.4)
...

How do we replicate the bug?

Expected behavior (i.e. solution)

If an error occurs, stop running immediately.

Other Comments

[vapaunic]

@sambaiz, thanks for raising the issue and opening the PR. We will review it.

[Chenhui Hu]

Resolving this issue as the enhancement has been merged to master.