refactor(pytest): ...__option_choice_args main command convention

Author: scop

completions/pytest

@@ -2,7 +2,7 @@
 
 _comp_cmd_pytest__option_choice_args()
 {
-    local modes=$("${2:-pytest}" "$1=bash-completion-nonexistent" 2>&1 |
+    local modes=$("$1" "$2=bash-completion-nonexistent" 2>&1 |
         command sed -e 's/[^[:space:][:alnum:]-]\{1,\}//g' \
             -ne 's/.*choose from //p')
     _comp_compgen -a -- -W '$modes'
@@ -87,7 +87,7 @@ _comp_cmd_pytest()
             return
             ;;
         --dist | --vcr-record?(-mode))
-            _comp_cmd_pytest__option_choice_args "$prev" "$1"
+            _comp_cmd_pytest__option_choice_args "$1" "$prev"
             return
             ;;
     esac