Varchar Cannot be casted to Int4range with Distributed Tables

[halilozanakgul]

CREATE TABLE tbl(a INT);

SELECT ((1)::VARCHAR)::int4range FROM tbl;
┌───────────┐
│ int4range │
├───────────┤
└───────────┘
(0 rows)     

SELECT create_distributed_table('tbl', 'a');

SELECT ((1)::VARCHAR)::int4range FROM tbl;
ERROR:  cannot cast type cstring to int4range
CONTEXT:  while executing command on localhost:9701