[fel] Remove asyncio from the whitelist (#240)

Author: surpercodehang

framework/fel/python/plugins/builtins/fit_py_code_node_tools/conf/application.yml

@@ -5,7 +5,6 @@ user:
 code:
   import:
     whitelist:
-      - 'asyncio'
       - 'json'
       - 'typing'
       - 'pandas'
@@ -25,6 +24,7 @@ code:
       - 'multiprocessing'
       - 'timeit'
       - 'platform'
+      - 'asyncio'
   timeout: 10
   max_pool: 4
   mem_limit: 189792256 # 181*1024*1024

framework/fel/python/plugins/builtins/fit_py_code_node_tools/python_repl_impl.py

@@ -44,7 +44,7 @@ class InternalErrorCode(IntEnum):
         "header": _PYTHON_REPL_HEADER,
         "header_len": len(_PYTHON_REPL_HEADER.split('\n')),
         "entrypoint": 'main',
-        "whitelist": ['asyncio', 'json', 'typing'],
+        "whitelist": ['json', 'typing'],
         "blacklist": ['os', 'sys', 'cmd', 'subprocess', 'multiprocessing', 'timeit', 'platform'],
         "timeout": 10,
         "max_pool": 4,