take host env in run-benches

tox.ini

@@ -23,11 +23,7 @@ skip_install = true
 deps = 
     packaging # this is required for flash-attn dep as fms_hf_tuning did not specify
     -e {toxinidir}/plugins/framework # install the framework here as the flash attention deps requires torch
-setenv = 
-    FHT_BRANCH = {env:FHT_BRANCH:main}
-    DRY_RUN = {env:DRY_RUN:false}
-    NO_DATA_PROCESSING = {env:NO_DATA_PROCESSING:false}
-    NO_OVERWRITE = {env:NO_OVERWRITE:false}
+passenv = * # will pass the parent env, otherwise there are too many envs e.g. TRANSFORMERS that need to be set
 commands = 
     # need a version of fms-hf-tuning that has integrated the framework
     # NOTE: have to install this first coz havnt merged