minor fix to GraphqlWsConsumer._on_gql_connection_init() to log an error before handling it
update black to 21.12b0 to avoid the error undefined symbol _PyUnicode_DecodeUnicodeEscape with Python 3.9 (caused by typed_ast see https://github.com/python/typed_ast/issues/169 for details)
GraphqlWsConsumer._on_gql_connection_init()to log an error before handling it21.12b0to avoid the errorundefined symbol _PyUnicode_DecodeUnicodeEscapewith Python 3.9 (caused by typed_ast see https://github.com/python/typed_ast/issues/169 for details)