The problem is that arcGIS Pro does not handle activate <environment name> in conda the way that it normally operates. I used proswap <environment name> and this corrected the problem, as it allows for the use of the corrected python environment. See the solution here

The problem is that ArcGIS Pro does not handle activate <environment name> in conda the way that it normally operates. I used proswap <environment name> and this corrected the problem, as it allows for the use of the corrected python environment. See the solution at Python Command Prompt not changing environments correctly