remove extra / (#576)

Co-authored-by: unknown <Benjamin Tovar>

Author: btovar

learners/setup.md

@@ -193,7 +193,7 @@ conda install -c conda-forge plotnine
 ### *(Alternative)* Installing required packages with environment file
 
 Download the
-[environment.yml](/files/environment.yml)
+[environment.yml](files/environment.yml)
 file by right-clicking the link and selecting save as.
 In the directory where you downloaded the environment.yml file run: