[test/lint] Fix build

Also remove remnants of

    json read :x

I think we should remove 'read :x' too.

osh/word_eval.py

@@ -54,7 +54,7 @@
 from core import state
 from core import ui
 from core import util
-from data_lang import j8
+#from data_lang import j8
 from data_lang import j8_lite
 from core.error import e_die
 from frontend import consts

spec/ysh-funcs-external.test.sh

@@ -4,7 +4,7 @@
 #### JSON func on top of proc
 
 proc myadd {
-  json read :args
+  json read (&args)
 
   # convenient!
   fopen >&2 {
@@ -14,7 +14,7 @@ proc myadd {
   json write (args[0] + args[1])
 }
 
-echo '[1, 2]' | myadd | json read :result
+echo '[1, 2]' | myadd | json read (&result)
 
 # TODO:
 # Rewrite this as:

test/nohup.sh

@@ -61,7 +61,7 @@ test-read() {
 test-json-read() {
   rm -v nohup.out || true
 
-  run-shell bin/osh -c 'json read :x'
+  run-shell bin/osh -c 'json read'
 }
 
 soil-run() {

ysh/expr_eval.py

@@ -53,7 +53,7 @@
 from core import state
 from core import ui
 from core import vm
-from data_lang import j8
+#from data_lang import j8
 from frontend import lexer
 from frontend import match
 from frontend import typed_args